WHY DOES THE AUTHOR CLAIM THAT SOMATREM IS AN ADVANCE ON NATURAL G...

55. Why does the author claim that Somatrem is an advance on natural growth hormone?

A.

It can be used by athletes.

B.

It is not necessary to use pituitary glands from dead people.

C.

It can not be abused by people.

D.

It does not have any adverse side effects.