Is rice and kimchi healthy?

A, formaldehyde is toxic, which can destroy the structure of protein and denature protein. Eating formaldehyde will do harm to human health.

B, sodium nitrite contained in industrial salt is toxic and cannot be used to pickle pickles, which will do harm to human health.

C moldy rice and peanuts contain toxic aflatoxin, which will do harm to human health.

D. Yogurt is a nutritious drink suitable for all ages. Yogurt is easier to digest and absorb, and will not cause harm to human health.

So choose D.