15 People who took vitamin E were no less likely to have a heart attack than those taking the placebo. (A) People who took vitamin E were more likely to have a heart attack than those taking the placebo. (B) People who took the placebo were less likely to have a heart attack than those taking vitamin E. (C) People who took vitamin E and people who took the placebo had the same likelihood of getting heart attack. (D) Not all the people who took vitamin E and the placebo were less likely to have a heart attack.