The girl had been suffering from the lung cancer, yet she acted as if nothing to her while we were together.
A. happened
B. would happen
C. has happened
D. had happened
网友回答
A. happened
B. would happen
C. has happened
(答案→)D. had happened
解析：句意：这个女孩一直得了肺癌，但是当我们在一起的时候，她表现的好像什么事都没有发生一样。As if“好像”，后面接从句的时候，如果是和过去的情况不符，用过去完成时表示虚拟语气，所以选D。