These booksvery interesting. Many children like reading them.A. amB. isC. areD. be

问题补充：

These booksvery interesting. Many children like reading them.

A. am

B. is

C. are

D. be

答案：

A. am

B. is

(答案→)C. are

D. be

解析：本题的主语为复数，故主语之后的be动词用are，故本题选C。