- I am out of breath. I can’t go any further ! I’m sure you can make it .A. No problem.

问题补充：

- I am out of breath. I can’t go any further.

- ! I’m sure you can make it .

A. No problem.

B. What a pity

C. Not bad

D. Come on

答案：

A. No problem.

B. What a pity

C. Not bad

(答案→)D. Come on

解析：No problem.没问题；What a pity太可惜了； Not bad 还不错； Come on来吧，开始。句意：我喘不过气来了。我不能再走了。根据下文，我相信你能克服的。可知选D最符合语境。