Not only polluted but crowded. A. was the city; were the streetsB. the city was; were th

问题补充：

Not only polluted but crowded.

A. was the city; were the streets

B. the city was; were the streets

C. was the city; the streets were

D. the city was; the streets were

答案：

A. was the city; were the streets

B. the city was; were the streets

(答案→)C. was the city; the streets were

D. the city was; the streets were

解析：主要测试特殊结构中的倒装。此类试题的题眼：寻找题干中的关键词：not only和 but ，符合倒装的要求：前面句子倒装；后面的句子不倒装。