一般认为，（）是从事一定职业的人们在职业活动中应该遵循的，依靠社会舆论、传统习惯和内心信念来维持的行为规范的总和。

A.社会公德

B.职业公德

C.职业道德

D.家庭美德

A management control point can be placed at selected management points (specific components at selected levels)of the WBS above. the work package level. These control points can be ______ .

A．used for rolling wave planning

B．decomposed further to help in creation of work authorization system

C．used for planning known work content that does not have detailed schedule activities

D．used as a basis for planning when associated work packages have not yet been planned