I have no one ______ me , for I can deal with it all by myself .

I have no one ______ me , for I can deal with it all by myself .
A、help
B、to help
C、helped
D、to have helped
【正确答案】：A
【题目解析】：考察固定结构.have sb do sth让某人做某事，句意:我没有让任何人帮我