A)Jimmy is going to set out tonight.
B)Jimmy has not decided on his journey.
C)There is no need to have a farewell dinner.
D)They may have a dinner when Jimmy's back.
原文：
M: Jimmy is going on a journey tomorrow. Shall we have a farewell dinner tonight?
W: Do you think It’s necessary? You know he will be away just a few days.
Q: What does the woman mean?