——Have you found your key?——Yes,it was ___ I often watch TV in my room.A.what B.which C.how
问题描述：
——Have you found your key?——Yes,it was ___ I often watch TV in my room.A.what B.which C.how
我选的是D。错了。怎么翻译？详解为什么A对？
答
What 在这里代表了=I often watch TV in my room.