单项选择题

[听力原文]
W: Mr. Li, deputy manager of our company, would like to invite you to a dinner at 6 o’clock tonight. We’ll begin our business discussions tomorrow.
M: Fine. See you this evening.

When will they discuss the business()

A.They will discuss it tonight.
B.They will discuss it when they have dinner.
C.They will discuss it tomorrow.
D.They will begin their business tomorrow.