Eating vegetables ______our health A.are good for B.are good at C.is good for D.is good at

题目

Eating vegetables ______our health A.are good for B.are good at C.is good for D.is good at
Eating vegetables ______our health
A.are good for
B.are good at
C.is good for
D.is good at
哪个是正确的,要解析

答案

选C
be good at 是擅长……的意思
be good for 是对……有益的意思
这句话主语是eating vegetables 用is