单项选择题
A．Vitamin E's side effects B．who will gain the greatest advantages by taking Vitamin E C．Vitamin E's other benefits D．how Vitamin E cuts risks of heart attack
A．People taking 200 IU got bigger immune defenses than the ones who got only 60 IU. B．Research has found Vitamin E delays the progression of Alzheimer's disease. C．Most of us can get sufficient Vitamin E from diet. D．It's important to remember when taking Vitamin E: more may not be better.
A．Extremely high dose of Vitamin E can cause danger. B．With proper dose of Vitamin E old people could be safer from infectious disease. C．Researchers have proved that Vitamin E has no side effects. D．Individuals with serious conditions should consult their doctors.