题目

 Elderly women who eat foods higher in potassium（钾）are less likely to have strokes and die than women who eat less potassium-rich foods, according to new research in the American Heart Association. “Previous studies have shown that potassium consumption may lower blood pressure. But whether potassium intake could prevent stroke or death wasn’t clear,” said Smoller, professor of the department of population health at Albert Einstein College of Medicine, Bronx, NY. Researchers studied 90,137 women, aged from 50 to 79 for an average 11 years. They looked at how much potassium Everyone was trying to ________ a better idea to persuade him to stay.A．put outB．come acrossC．come up withD．put up with