题目内容：
What is the correlation between body weight and heart disease and blood pressure?
A．10 percent less body weight means 10 percent less risk of heart disease and high blood pres-sure. B．13 percent more body weight means 10 percent more risk of heart disease and high blood pres-sure.
C．The more body weight one gains, the more risk of heart disease and high blood pressure he has.
D．The less body weight one gains, the more risk of heart disease and the less risk of high blood pressure he has.
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