27. (单选题) —What were you doing when she dropped in?( )
—I ________ for a while and_________ some reading.(本题3.0分)
A、 was playing; was going to do
B、 played; did
C、 had played; was going to do
D、 had played; did
出自:赤峰学院- 综合英语II(专升本)