I admit that there are problems I don’t agree that they cannot be solved. A. WhileB. When

问题补充：

I admit that there are problems, I don’t agree that they cannot be solved.

A. While

B. When

C. As

D. For

答案：

(答案→)A. While

B. When

C. As

D. For

解析：句意：尽管我承认有一些问题，我还是同意他们被解决。While 虽然，尽管。