单项选择题

In review of 44 studies, American researchers found that men and women who ate six key foods daily cut the risk of heart disease by 76%.

A. a; the
B. the; a
C. a; /
D. /; a

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单项选择题

单项选择题

In ______ review of 44 studies, American researchers found that men and women who ate six key foods daily cut the risk of ______ heart disease by 76%.