—Would you like some rice?    —_______. I would rather have a piece of bread.

A．Yes, please

B．No problem

C．That’s OK

D．No, thanks

( )是指缔约一方为了保证合同的履行，在订立合同前向对方给付一定数额的货币的担保形式。

A．定金

B．留置

C．抵押．

D．质押