I really can't ________ with the noise that is going on outside.It is driving me crazy.[ ]

A．come up  

B．put up

C．push ahead  

D．get through

男性，10岁，确诊为二尖瓣狭窄。查体：心率99次/分，心尖区触及舒张期震颤，下列哪项体征可作为判断该患者瓣膜弹性和活动性好的依据（）

A.心音分裂

B.奔马律

C.心包叩击音

D.喷射音

E.开瓣音