---- How about putting some pictures into the report?

----________A picture is worth a thousand words.

A．No way.

B．Why not?

C．All right?

D．No matter.

关于在锰结核开发的各项作业中，基建投资最大的是哪一个？（）

A.开采

B.冶炼

C.环保

D.运输