2级高血压是A.120/70mmHgB.160/110mmHgC.150/95mmHgD.180/80mmHgE.140/100mmHg

2级高血压是

A.120/70mmHg

B.160/110mmHg

C.150/95mmHg

D.180/80mmHg

E.140/100mmHg

请帮忙给出正确答案和分析，谢谢！