—I think art is very interesting.

—_________.Music is more interesting than art.[ ]

A. I disagree

B. I think so    

C. I agree  

D. I don't know

按照FIDIC施工合同条件，每隔一段时间，承包商都要对施工计划进行一次修改，修改的费用由 ( )承担。

A．业主

B．承包商

C．工程师

D．业主和承包商