My mother asked me___ A.What is going on B.what was happening C.what has happened D.what hasgone one
问题描述：
My mother asked me___ A.What is going on B.what was happening C.what has happened D.what has
gone one
答
B?!
答
C
答
b,因为谓语是过去式,后面必须是过去各时态