Choose the Phrase Which Best Explains the Following Statement: "β-Carotene

Choose the phrase which best explains the following statement: "β-carotene is no magic bullet."

A) β-carotene does not decrease the reactivity of singlet oxygen molecules.
B) β-carotene is not the only health-promoting molecule in fruits and vegetables.
C) β-carotene supplements cannot be manufactured cheaply enough.
D) β-carotene can replace vitamin E in terminating the auto-oxidation of fatty acids.