单选题_ So how can we buy safe food—.选项：

正确 答案：微信搜索【 国开 搜题】公众号

广东开放大学 2023年春季招生简章

单选题_ So how can we buy safe food?—.选项：

A.The higher the price, the safer the food

B.We can plant vegetables and fruits by ourselves

C.When we choose food, we must remember to check its tag, confirming whether the basic information is marked on it

参考答案：C

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