水准网主要用于地形起伏较大、直接水准测量比较困难的地区或对高程控制要求不高的工程项目。( )

In risk response planning，an acceptance strategy indicates that the project team has decided______．

A．to agree with the project manager

B．to eliminate a specific threat

C．not to change the project management plan to deal with a risk，or is unable to identify any other suitable response strategy

D．to purchase insurance