— I apologize for not being able to join you for dinner.— . We’ll get together later.A. G

问题补充：

— I apologize for not being able to join you for dinner.

— . We’ll get together later.

A. Go ahead

B. Not to worry

C. That’s right

D. Don’t mention it

答案：

A. Go ahead

(答案→)B. Not to worry

C. That’s right

D. Don’t mention it

解析：go ahead继续，用吧; not to worry别担心，不必发愁，没关系;that’s right对的; don’t mention it.不客气，不用谢。