单项选择题

A．The relationship between mice, rats and monkeys.
B．The relationship between diet and animals.
C．The relationship between diet and man.
D．The relationship between diet and health.
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研究人员指出，这种差异可能会形成众所周知的男女有别的倾向，例如，事实上建筑师、数学家和赛车手中男性就多于女性。
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