[单选题]
某地调查100人得收缩压=140mmHg、标准差=10。该地95%的人收缩压的范围是
A.139.8~140.2
B.120.4~159.6
C.125.0~154.6
D.138.0~141.9
E.135.0~145.0
参考答案与解析: