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

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：Not to worry.意为“不要担心”。根据所提供的情景We’ll get together later.可判断出“安慰对方不要担心”。Go ahead. 表示同意对方的请求。That’s right.意为“你是对的”。Don’t mention it.用于回答对方的感谢。