you know your potential you have to rely on many other people to get to where you are.A.

问题补充：

you know your potential, you have to rely on many other people to get to where you are.

A. Since

B. If

C. While

D. Once

答案：

A. Since

B. If

(答案→)C. While

D. Once

解析：考查连词：A．Since既然，B．If如果，C．While虽然，D．Once一旦，

句意是：虽然你知道你的潜能，但你不得不依靠别的人让你到达你的位置。选C。