He kept looking at her wondering whether he her somewhere.A. sawB. has seen C. seesD. had

问题补充：

He kept looking at her, wondering whether he her somewhere.

A. saw

B. has seen

C. sees

D. had seen

答案：

A. saw

B. has seen

C. sees

(答案→)D. had seen

解析：原句意思是，他一直在看着她，考虑以前是否在什么地方见过她。kept用的是一般过去式。这里说“考虑以前是否在哪个地方见过她”显然指的是发生在“kept”之前，即过去的过去，所以应该用过去完成时态，所以选D.。