Which of the following best summarizes Paragraph 4？A．People can be allergic to some peanut

Which of the following best summarizes Paragraph 4？

A．People can be allergic to some peanut products.

B．Schools should forbid all peanut products.

C．Peanut-butter sandwiches are nutritious.

D．People allergic to peanuts should avoid peanut oil as well.

请帮忙给出正确答案和分析，谢谢！