---I feel the house shaking.

----So do I .It ___ be sign of an earthquake most probably. Let’s hurry to leave here.

A．ought to

B．could

C．can

D．might

癔病性失音可采用（）

A.针灸强刺激

B.静脉注射葡萄糖

C.静脉注射硫喷妥钠

D.静脉注射葡萄糖酸钙

E.静脉注射0.25%的阿米妥钠