—Alice,why didn’t you e yesterday?
—I ,but I had 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：从对话but后面分句的含义为“但我却有一位不速之客须接待”。由此可推知其前分句表述的意思应为“我正打算要来（我本打算要来）”。故惟有C项可表达此意，若B项改为would have亦正确。