Question

what are you up to when your parents

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
为什么选c不选d啊?

Answer 1

这段对话的准确意思是：
——你爸妈进来时,你正在做什么
----我已经玩了一会儿了,正准备看会儿书.
理解了意思,时态自然就能选对!