Hearing that most of the members voted against her, she________a smile. [ ]

A. wore

B. managed

C. performed

D. controlled

下列权益投资方式中，( )在石油天然气勘探、开发、矿产开采、初级原材料加工行业使用较多。

A．合伙制结构
B．有限合伙制
C．股权式合资结构
D．契约式合资结构