问题详情：
—Why haven’t you asked her to come here?
— She _____ an important experiment when I found her and she _____ it.
A. had done; didn’t finish B. was doing; hasn’t finished
C. did; wouldn’t finish D. has done; hadn’t finished
【回答】
B
知识点：过去进行时及其被动式
题型：选择题
