--- Did you turn off the lights before you left the computer room?

---- Oh, I forget _______ them off. I’ll go to do it.

A．to turn

B．having been turned

C．to have turned

D．turning

患者，男性，右足底不慎被铁锈钉刺伤后出现全身低热、无力，肌肉疼痛，并逐渐出现张口困难，继而苦笑面容，全身肌肉阵发性痉挛，但该患者神志一直处于清醒状态，诊断为破伤风。

该病潜伏期一般为

A．1周

B．2周

C．3周

D．4周

E．5周