I'm going to sell American food（划线是 American food）划线提问

I'm going to sell American food（划线是 American food）划线提问如果答案是Which country’s food are you going to sell?划线就应该是 American.如果划线是 American food,对划线部分提问的句子就应该是：What a...理由是什么QUQ理由是什么。写一下QUQWhich country’s food are you going to sell？因为用 American就能回答【Which country’s】。American在句中做定语。What are you going to sell？用American food 就能回答What的提问 。