单项选择题
A.1/3 B.2/3 C.1/2 D.1/4
A.60%,20%,20% B.60%,30%,10% C.70%,20%,10% D.70%,15%,15%
A.零点菜单 B.套菜菜单 C.无定价菜单 D.混合式菜单
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