Kidnap绑架，nap是指偷窃，kid是指小孩，绑架小孩的人就叫做kidnapper。（

His arm ______ the chair by the kidnapper(绑匪).The only way to escape(逃脱) was to break the rope ______.( ) A: was tied to; as faster as he could B: was tied to; as fast as he could C: was tying to; as fast as possible D: was tying to; as faster as possible