单选题
The passage suggests that which of the following would be LEAST important in determining whether a research subject is likely to contract coronary heart disease?
A、
(A) The ratio of LDL to HDL in the subject's blood
B、
(B) The subject's level of blood cholesterol
C、
(C) The subject's percentage of body fat
D、
(D) The subject's degree of physical inactivity
E、
(E) The consumption ratio of polyunsaturated fats to monounsaturated fats
【正确答案】
E
【答案解析】
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