Plenty of fresh air and proper exercises _____________ good health.A) contribute to B) result from C) are contributed to D) are resulted from为什么是c呢

Plenty of fresh air and proper exercises _____________ good health.
A) contribute to B) result from C) are contributed to D) are resulted from
为什么是c呢

A 有益于
不是C……绝对是A了.
A contribute to B是说A有益于B……放到这句话里就是足量的新鲜空气与适量的运动对健康有益.

A,我看错了
这里不能用被动语态，to是介词，后面有宾语了，不用被动
contribute to 有益于

A.