I’m leaving for Shanghai tomorrow.A. See you later.B. Have a pleasant trip!C. Le

问题补充：

--- I’m leaving for Shanghai tomorrow.

--- .

A. See you later.

B. Have a pleasant trip!

C. Let’s go out for a drink.

D. Bring me a present.

答案：

A. See you later.

(答案→)B. Have a pleasant trip!

C. Let’s go out for a drink.

D. Bring me a present.

解析：考察交际用语。A再见；B玩得开心。C我们出去喝点东西。D给我带个礼物。句意：—我明天去上海。—玩的开心点，一路顺风！根据句意说明对方外出，表示对对方的祝福。故B正确。