The murderer stood before the policeman, his hands ________ on his back, trembling.

A．tie

B．tied

C．tying

D．to tie

脾破裂（）。

A.不凝的血性液体

B.黄绿色透明液体，无臭味

C.稀脓性液体，略带臭味

D.淡黄色透明液体

E.黄绿色稠厚液体，带有粪便样特殊臭味