I showed him __ pay attention to when he was buying a sencond-han_英语解答

I showed him __ pay attention to when he was buying a sencond-hand car.
A.what to
B.how to
C.what
D.how

人气：129 ℃　时间：2020-03-30 23:07:30

解答

C.what
后面已经有了to,所以AB排除.用what 是做(pay attention) to的宾语,如果用how的话,to 就没有宾语了.