no need for us to discuss the problem again since it has already been solved.A. It hasB. T

问题补充：

no need for us to discuss the problem again since it has already been solved.

A. It has

B. There has

C. We have

D. There is

答案：

A. It has

B. There has

C. We have

(答案→)D. There is

解析：句型:there is no need(for sb)to do sth。