.—— What were you up to when your parents came 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 说理由

问题描述:

.—— What were you up to when your parents came 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
说理由