急性病毒性肝炎中需早期进行抗病毒治疗的是（）

A.急性丁型肝炎

B.急性甲型肝炎

C.急性戊型肝炎

D.急性丙型肝炎

E.急性乙型肝炎

Define Activities is the process of identifying the specific actions to be performed to produce the (71) .

A．project elements

B．work drafts

C．work package

D．project deliverables