Reading too many books at night bad for our eyes.A. be B. is C. are

问题补充：

Reading too many books at night bad for our eyes.

A. be B. is C. are

答案：

解析：句意：晚上读太多书对我们的眼有害。动词ing形式作主语用作第三人称单数。结合句意，故选B。