​You Recommend That Your Friend Not Take "Stress Formula Vitamin

​You recommend that your friend not take "Stress Formula Vitamin C" supplements because:

A) vitamin C is not involved in the release of the stress hormones from the adrenal gland.
B) "Stress Formula" supplements are more expensive than other types of vitamin C supplements.
C) ​you cannot be sure if the form of vitamin C in the supplements is effective and safe.
D) ​the amount of vitamin C required by the body to recover from stress is easily obtained from whole fruits and vegetables.
E) ​vitamin C toxicity is a serious concern,especially from supplements.