单选题
An average woman is weaker than an average man because she has ______.
A、
the muscular sense more important than any other sense
B、
less muscle than men for her body mass
C、
60 to 70 percent less muscle for her body mass
D、
less muscle fiber for her body weight
【正确答案】
B
【答案解析】
细节题。文章第三段中有直接答案“Women have only 60 to 70 percent as much muscle as men for their body mass”，即女性所有的肌肉所占比例比男性少。
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