The number of deaths from heart disease will be reduced greatly if people to ear more fru

问题补充：

The number of deaths from heart disease will be reduced greatly if people to ear more fruit and vitamins.

A. persuade

B. will persuade

C. be persuade

D. are persuaded

答案：

A. persuade

B. will persuade

C. be persuade

(答案→)D. are persuaded

解析：

依据逻辑关系判断，此处应该用被动语态，排除A、B项；C项形式不对故只有D项为正确答案。