Since the summary has been made we shall the details.A. look up toB. get down toC. come

问题补充：

Since the summary has been made, we shall the details.

A. look up to

B. get down to

C. come up with

D. end up with

答案：

A. look up to

(答案→)B. get down to

C. come up with

D. end up with

解析：四个选项分别表示尊敬、着手处理、提出和以……结束，根据题意选B，我们要着手处理细节问题。