稍大一些的建设工程项目总承包在多数条件下采用( )。
A) 变动总价合同B) 固定单价合同C) 固定总价合同D) 变动单价合同
参考答案：A
— Does he know how to work out the problem?
— Yes, he has _____ a good idea to solve it. [ ]
A. caught up with
B. kept up with
C. come up with
D. put up with
海上常用替换部分泥浆的方法来达到固控目的，这是否是最佳方法？为什么？
