【单选题】

听力原文：M: How would you like to help me plan the refreshments for the astronomy club meeting tomorrow night?

W: Sure. Let's be careful not to overdo it, though. Last time we had enough for three clubs put together.
Q: What does the woman mean?
(18)
A．She would rather not invite other clubs to join them.
B．There was too much food at a previous meeting.
C．The members of the club always eat a lot.
D．They should prepare extra refreshments.