![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
Tom:This is my schoolmate,Mary,and this is my girlfriend,Susan. Susan:How do you do?Mary
Tom:This is my schoolmate,Mary,and this is my girlfriend,Susan.
Susan:How do you do?
Mary:__________?
A.How are you
B.Nice to meet you
C.Fine,thank you
D.Everything is fine
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)