一道英语选择题,求解析和翻译,速求 Do you know the reason ____ she has changed her_英语解答

一道英语选择题,求解析和翻译,速求 Do you know the reason ____ she has changed her mind?
A why Bwhich C for thatDofwhich

人气：165 ℃　时间：2020-02-02 20:06:01

解答

A
你知道她改主意的原因吗?
the reason 后一般接why引导的从句.（如果关系词作状语） why=for which