During a business dinner, when can you begin talking business?

A.As soon as the food order is made.

B.As soon as everyone arrives at the table and has exchanged pleasantries.

C.As soon as everyone has chosen a menu item to order, but before the order is made.

D.As soon as food is ordered and pleasantries are exchanged, as long as everyone knows the dinner is a “working” one.

正确答案：D