Several theories of evolution had historically preceded that of Charles Darwin, although he expounded upon the stages of development.

A．found fault with

B．explained in detail

C．outlined briefly

D．offered in published form

会所设计的主题思想是要明确规定（）。

A、会员应遵守的事项

B、会员的权利义务

C、会费的缴纳方式

D、会员的入会手续