______she is not so healthy _____she used to be A.why is it that:what B.how is it that :as

问题描述:

______she is not so healthy _____she used to be A.why is it that:what B.how is it that :as
为什不选A

这里要注意
not so.as.结构
只要留意这个句型,答案就有了!