问题
选择题
In order to win back the customers, the owner of the restaurant decided to sell his food ____.
A．in a discount
B．with discount
C．at a discount
D．for a discount
答案
C
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In order to win back the customers, the owner of the restaurant decided to sell his food ____.
A．in a discount
B．with discount
C．at a discount
D．for a discount
C