Adolescent health project

A, sugar is the main energy supply substance, so A is wrong;

B, protein is the basic substance that constitutes human cells; The growth and development of human body, the renewal of tissues and the repair of damaged cells are all inseparable from protein, so B is correct;

C, the important raw materials of bones and teeth are calcium and phosphorus, so C is correct;

D, lack of vitamin D is easy to get rickets, so D is correct.

So choose one