【题目】_______ surprised me most was ____ such a little boy of seven could play the piano so well.
A.That; whatB.What; thatC.That; whichD.What; which
在线课程【答案】B
【解析】
考查主语从句与表语从句。句意：让我最惊讶的是这样小的七岁的小男孩能弹钢琴弹得这么好。was前是主语从句，且从句缺主语，所以用连接词what。was后是表语从句，表语从句是一个完整的陈述句，所以连接词用that。故选B。