the only thing ___matters is how much money she earnsA as B that C what D which选B 为什么呢

问题描述:

the only thing ___matters is how much money she earns
A as B that C what D which
选B 为什么呢

thing是名词,所以这个是定语从句排除C
ONLY决定不能是D
AS是定语代词但是用语句首

定语从句!
前面用only,先行词必须用that