Sentence: Comprehending Central Asia's significance makes historical shifts comprehensible not just throughout Asia, but also in Europe, the Americas, and Africa.
Paragraph:
The territories of the Silk Roads are occasionally labeled as 'third-world nations', yet they are in fact among the globe's most historically advanced regions, the absolute intersection of civilizations, currently in advanced states of decay. (1) These regions sit at the heart of world events: they have since the dawn of time. Stretching across the backbone of Asia, they create a network of links branching out in all directions, pathways along which monks and conquerors, nomads and traders have journeyed, commodities and goods have been traded, and philosophies exchanged, modified and perfected. (2) They have transported not just wealth, but also plague and warfare, famine and catastrophe. (3) The Silk Roads are the world's central nervous system, connecting otherwise distant populations and locations…. (4) It enables us to observe connections and causality, triggers and consequences that stay hidden if one examines only Europe, or North America.
Answer and solution
Correct answer: D
Solution
1. The missing sentence explains why understanding Central Asia helps explain historical changes across continents.
2. The sentence before position 4 describes the Silk Roads as a connecting nervous system. The missing sentence develops the significance of that connection.
3. The following It enables us naturally refers to comprehending that significance.
4. Earlier positions interrupt the description of routes, exchanges and their effects before the passage reaches the interpretative conclusion.
5. Read the three-sentence chain at position 4: connected network → broader understanding → hidden connections become visible.
6. Answer: D, the choice labelled Option 4, meaning position (4).
Detailed reasoning and elimination check:
For insertion use ROLE → PREDICT → READ → FIT → TEST. The missing sentence performs interpretation after a description of connected routes. At 4 it also gives the following It a clear antecedent: comprehending Central Asia’s significance.
G Strategy shortcut
Spot: Identify the exact question task and the relevant passage claim.Apply: ROLE → PREDICT → READ → FIT → TEST: missing sentence explains global significance; following It explains that understanding. Position 4.
Check: For insertion use ROLE → PREDICT → READ → FIT → TEST. The missing sentence performs interpretation after a description of connected routes. At 4 it also gives the following It a clear antecedent: comprehending Central Asia’s significance.
G Strategy: Spot: Identify the exact question task and the relevant passage claim. Apply: ROLE → PREDICT → READ → FIT → TEST: missing sentence explains global significance; following It explains that understanding. Position 4. Check: For insertion use ROLE → PREDICT → READ → FIT → TEST. The missing sentence performs interpretation after a description of connected routes. At 4 it also gives the following It a clear antecedent: comprehending Central Asia’s significance.