— Please look at my new shirt. I bought it just now.

— Oh, it is really beautiful. How much did you _______ it? [ ]

A．take

B．cost

C．spend

D．pay for

执行政府定价或者政府指导价的，在合同约定的交付期限内政府价格调整时，按照( )执行。

A．合同价格
B．交付时价格
C．原价格
D．新价格