-- Could you please help me choose an Mp4 player online? . My computer doesn’t work. A

问题补充：

-- Could you please help me choose an Mp4 player online?

-- . My computer doesn’t work.

A. I don’t care B. 1 hope so C. I’m afraid I can’t

答案：

解析：问句是请求我帮助他在网上选购一个MP4，答句是我的电脑坏了，答句应该是否定的，委婉的意思我恐怕不能较符合，故选C。