—Lily is the most hard-working student in our class.        

—           She can't be so careless.            [ ]

A. Don't I think so?

B. I think so.    

C. I hope not.  

D. I'm afraid so.

资本市场的( )功能是资本市场的首要功能。

A．融资

B．优化资源配置

C．促进体制创新

D．完善企业制度