问题补充:
She to go traveling this summer, but some extra work took up all her time.
A. had been planned
B. has planned
C. was planned
D. had planned
答案:
A. had been planned
B. has planned
C. was planned
(答案→)D. had planned
解析:考察时态。句意:她本打算这个夏天去旅行,但是一些额外的工作占据了她所有的时间。可知前文描述的是在过去某个时间已经完成的动作,故用过去完成时态,她是计划这个动作的发出者,故不用被动语态,选D。