The prototyping method is a dynamic design processes, which requires people who use prototyping method to have the following capability of （）.

A．proficient program expertise

B．immediately acquire requirement

C．coordinate organize eloquently

D．handle tools smartly

不包含在医学伦理学有利原则之内的是（）

A.努力使病人受益（有助益）

B.努力预防和减少难以避免的伤害

C.对利害得失全面权衡

D.造成有意伤害时主动积极赔偿

E.关心病人的客观利益和主观利益