--Our team is going to play with the Rocket．I’m sure we will win．-- ．A. Congratulations B.

问题补充：

--Our team is going to play with the Rocket．I’m sure we will win．

-- ．

A. Congratulations

B. Cheer up

C. Go ahead

D. Good luck

答案：

A. Congratulations

B. Cheer up

C. Go ahead

(答案→)D. Good luck

解析：Good luck表示“祝你好运”，符合语境要求。Congratulations祝贺（成功）。