[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: