题目内容
（请给出正确答案）
[主观题]
Seafood and ice cream are served at all fast food restaurants．aren’t they？A．Certa
Seafood and ice cream are served at all fast food restaurants．aren’t they？
A．Certainly．
B．Yes，they are．
C．N0，I’m afraid not．
D．N0，only at a few of them．
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