— Can you say it again? I _______ you clearly.

— Sure. [ ]

A. hear

B. don't hear

C. heard

D. didn't hear

股票的市场价格与认股权证的认购股票的价格之间的差额被称为认股权证的( )。

A．溢价

B．内在价值

C．升水

D．贴水