I to go for a walk,but someone called and I couldn’t get away.
A. was planning
B. planned
C. had planned
D. would plan
网友回答
A. was planning
B. planned
(答案→)C. had planned
D. would plan
解析： 考查时态。此处plan这一动作发生called 之前，故应用过去完成时。plan,think,hope,expect,want等词用于过去完成式时，通常表示过去未曾实现的愿望或安排等，可理解为“本计划/打算/希望……”。