—Where did you go on National Day?
—Jiuzhai Valley. I to go to France, but the expense was too high.
A. planned
B. would plan
C. have planned
D. had planned
网友回答
A. planned
B. would plan
C. have planned
(答案→)D. had planned
解析：用“had planned”过去完成时，表示“原来，本打算”，指“过去的过去有这个计划”。句意：——国庆节你去过哪儿呢？——九寨沟。我本来计划到发过去的，但是费用太高。