In the novel the two cities referred to London and Paris.A. beB. beingC. areD. was

问题补充：

In the novel, the two cities referred to London and Paris.

A. be

B. being

C. are

D. was

答案：

A. be

B. being

(答案→)C. are

D. was

解析：这题考察的句子结构， referred to是过去分词做定语修饰the two cities，be动词是are。选C。