— Do you think it's a good idea to make friends with your students? 

— _____, I do. I think it's a great idea. [ ]

A. Really

B. Obviously

C. Actually

D. Generally

(二) 某桥梁工程，承包商在桥梁基础施工的具体方法如下：
(1) 基坑开挖采用混凝土加固坑壁进行施工。
(2) 对围堰的施工采用双壁钢围堰施工。
(3) 基坑排水施工采用帷幕法，并详细制订了排水管道的布置方式。
(4) 地基加固时，采用钢筋混凝土短桩将基础范围内的地基土挤密，使地基土与桩体形成复合地基，达到地基加固的目的。
[问题]