------- Alice, why didn’t you e yesterday?
------- I , but I had an unexpected visitor.
A. had
B. would
C. was going to
D. did
网友回答
A. had
B. would
(答案→)C. was going to
D. did
解析：考查时态。句意：爱丽丝，昨天你为什么不来？——我打算来了，但是我有一位不速之客。结合语境可知下文描述的是过去计划打算的动作，故用过去将来时态。选C。