Difficulty: Medium

Average Score: 50%

Which of the following most effectively combines the statements above into a single coherent and grammatically correct sentence?

Rationale

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 sentence effectively combines all the necessary elements: it introduces the subject (the Great Wall of China), provides a defining clause about its structure, and indicates the time period of its construction, all in a clear and grammatically correct manner.

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.) CORRECT

This option presents a complete and coherent sentence structure, correctly using a relative clause to provide additional information about the Great Wall, while also clearly stating when most of it was built.

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.) YOUR ANSWER

This choice is grammatically incorrect as it uses a comma splice, improperly connecting independent clauses. The phrase "this is actually a network of walls and towers" disrupts the flow and creates confusion in the sentence’s structure.

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.) YOUR ANSWER

This option is also incorrect due to its awkward structure and lack of clarity. The phrase "building in the fifteenth and sixteenth centuries" lacks a clear subject and verb, making it difficult to understand the intended meaning.

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

This choice introduces ambiguity by starting with "Actually a network of walls and towers," which creates a misplaced modifier. It incorrectly suggests that "they" refers to the walls and towers instead of the builders, leading to confusion.

Conclusion

Option A stands out as the only grammatically correct and coherent choice that effectively integrates all necessary information about the Great Wall of China. By clearly stating its identity as a network of walls and towers and the time period of its construction, it maintains clarity and flow, making it the best option among those presented.

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