The WBS，estimates for each work package，and the network diagram are completed．Which of the following would be the NEXT thing for the project manager to do ？（）

A．Sequence the activitie

B．Verify that they have the correct scop

C．Create a preliminary schedule and get the team's approva

D．Complete risk managemen

把土地分为粘土、壤土、沙土，是按什么标准划分的（）。

A、所有权形式

B、经济用途

C、质地

D、地貌特征