You own a company selling vitamins and aminoacids. You decided to develop a new formula to treat acne, wrinkles, and you also promise to treat baldness. You plan to use the following:单项选择题

A

b. vitamin B1 + tyrosine+glutamic acid

B

a. vitamin A + vitamin E+ cysteine

C

d. vitamin C+vitamin E + vitamin A

D

c. vitamin E + arginine+ tyrosine+glutamic acid

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