—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：考查时态和虚拟语气：句意：--国庆节你去哪里了？九寨沟，我本来计划去法国的，但是费用太高。从上文可知是本来计划做而没有做，plan用于过去完成时可以表示“虚拟语气”，选D。