Aren't you Mary's sister?_____.I'm her aunt.A Yes,I am B No,I'm not.C Yes ,I'm not D No,I am选哪个?为什么

问题描述:

Aren't you Mary's sister?_____.I'm her aunt.
A Yes,I am B No,I'm not.C Yes ,I'm not D No,I am选哪个?为什么