I failed my exam I’m very now and don’t know what to do. A.glad B.funny C. upset

问题补充：

I failed my exam, I’m very now and don’t know what to do.

A.glad B.funny C. upset

答案：

解析：根据上下文的内容，可知答案为C，表示沮丧，的意思，符合语境。