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这一动作发生在called之前，故应用过去完成时。plan，think，hope，expect，want等词用于过去完成时时，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……”。