—What were you doing when she dropped in?
—I for a while and some reading.
A. was playing; was going to do
B. played; did
C. had played; was going to do
D. had played; did
网友回答
A. was playing; was going to do
B. played; did
(答案→)C. had played; was going to do
D. had played; did
解析：本题的时态考查具有一定的迷惑性。“she dropped in”发生于“play'’与“do some reading'’之间，故play用过去完成时，而do some reading用过去将来时。