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Vitamins are similar because they are made of the same elements—usually carbon,hydrogen,oxygen,and sometimes nitrogen.They are different in that their elements are arranged differently,and each vitamin been( )one or more specific functions in the body. A.holds B.plays C.performs

单选题
Vitamins are similar because they are made of the same elements—usually carbon,hydrogen,oxygen,and sometimes nitrogen.They are different in that their elements are arranged differently,and each vitamin been( )one or more specific functions in the body.
A.holds
B.plays
C.performs

AA

BB

CC

DD

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