证券回购的实质是( )。

A．抵押贷款

B．股权的转让

C．期权的一种形式

D．一种期货

— Rose, we will start at six tomorrow morning. Don't be late, _______ ?

— _______ . I'll be there on time.

A．won't you; Yes, I will

B．will you; Yes, I will

C．will you; No, I won't

D．won't you; No, I won't