"Food-borne diseases" in this essay means those diseases An FDA official said that putting the guidelines into practice

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问题 "Food-borne diseases" in this essay means those diseases
An FDA official said that putting the guidelines into practice

选项 A、would be too costly to be effective.
B、would not cost any money.
C、would not be very expensive.
D、would need lots of money.

答案C

解析参见注释6。

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