sue makes a living ——,so she makes a living ——.

题目

sue makes a living ——,so she makes a living ——.
Awriting ,for a writer Bwriting ,as a writer
Cto writer ,as a writer Dto writer ,for a writer

答案

B
make a living by doing sth靠.维持生计；以.为生
by可省略
作为用as