属长效抗精神病的药物是（）.

A．氟哌利多

B．舒必利

C．氟哌噻吨

D．氯氮平

E．五氟利多

All of the following are characteristics of a work package EXCEPT:

A) It is a deliverable or project work component at the lowest level of each branch of the work breakdown structure.
B) It is a summary task at the top level of the WBS.
C) It includes the schedule activities required for completion of the deliverable or project work component.
D) It includes the schedule milestones required for completion of the deliverable or project work component.