They _______ when they heard him confess his fault.

A．had been surprising

B．were surprising

C．were surprised 　

D．had been surprised

腕关节掌侧刃器切割伤后，出现下列哪项体征时说明有正中神经损伤（）。

A.伸指受限

B.外展小指受限

C.外展拇指受限

D.并指功能受限

E.内收拇指受限