Question 31

Much of the Great Wall of China, which is actually a network of walls and towers, was built in the fifteenth and sixteenth centuries.

This option effectively combines the statements into one coherent and grammatically correct sentence, clearly conveying the information about the Great Wall of China.

A) Much of the Great Wall of China, which is actually a network of walls and towers, was built in the fifteenth and sixteenth centuries.

This option is correct as it maintains proper grammatical structure and clarity. It introduces the subject "Much of the Great Wall of China" and uses a non-restrictive clause "which is actually a network of walls and towers" to provide additional information without disrupting the flow of the main idea. The phrase "was built in the fifteenth and sixteenth centuries" is also correctly placed to indicate the timeline of construction.

B) The Great Wall of China, this is actually a network of walls and towers, much of it is built in the fifteenth and sixteenth centuries.

This option is incorrect due to its awkward construction and improper use of commas. The phrase "this is actually a network of walls and towers" disrupts the sentence flow and creates a fragment, making it grammatically incorrect. Additionally, "much of it is built" uses present tense instead of the past tense needed to describe the historical context.

C) Much of the Great Wall of China, building in the fifteenth and sixteenth centuries, and it is actually a network of walls and towers.

This option is incorrect because it fails to form a complete and coherent sentence. The phrase "building in the fifteenth and sixteenth centuries" lacks a clear verb and structure, making the sentence confusing. It also improperly combines two independent clauses with "and" without proper punctuation.

D) Actually a network of walls and towers, they built much of the Great Wall of China in the fifteenth and sixteenth centuries.

This option is incorrect as it begins with a dangling modifier "Actually a network of walls and towers," which creates confusion about what "they" refers to. It does not adequately link the ideas and introduces ambiguity, leading to a grammatically flawed sentence.

Conclusion

Option A is the most effective choice as it clearly and grammatically combines the given statements into a single, coherent sentence. It provides essential information about the Great Wall of China while maintaining proper structure, unlike the other options, which suffer from grammatical issues or lack clarity. Thus, A stands out as the only accurate and well-formed option.