The kids were hard to ______ since they were so excited in the evening party.

A．settle down

B．turn down

C．get down

D．break down

与进行性肌营养不良发病相关的蛋白是（）

A.抗肌萎缩蛋白

B.肌球蛋白

C.肌动蛋白

D.肌钙蛋白

E.原肌球蛋白