They usually wear a collar and tie ( A.as they work B.to work C.going to work D

问题描述:

They usually wear a collar and tie ( A.as they work B.to work C.going to work D

B,这里的to do-不定式表示目的.C则是伴随状语形式,不符句意.A虽然意思也对,但C更好.