Having finished her project, she was invited by the school     to the new students.

A．speaking

B．having spoken

C．to speak

D．to have spoken

项目投资产权结构的权益投资方式有（）。

A．股份式合资结构

B．股权式合资结构

C．契约式合资结构

D．合作制结构

E．合伙制结构