Lianzizhou advertisement daquan

A, the essence of starch is polysaccharide, and A is wrong;

B, the substances in the drink are all chemical substances, and B is wrong;

C. Cod liver oil (rich in vitamin D) can promote the absorption of calcium and phosphorus in the small intestine and help the baby's bone development. C is correct;

D, the essence of antibody is protein, which can only be injected, not taken orally. D is wrong.

So choose: C.

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