多项选择题

关于WBS,下面说法正确的是:()

A.添加WBS属性,CTRL+P启动流程后,选择选择WBS:Assignas Deliverableworkflow
B.添加WBS属性,CTRL+P启动流程后,选择选择WBS:usedbyWBS
C.删除WBS属性,CTRL+P启动流程后,选择WBS:Remove from OwningWBS
D.删除WBS属性,CTRL+P启动流程后,选择WBS:Remove from used by WBS