_____,I couldn't understand what he said

问题描述:

_____,I couldn't understand what he said
A.beginning with B.to start C.to begin with D.starting

选C,其它几个选项后面都要加宾语,只有to begin with可以单独用,解释为“首先,开始”,这句话还可以改成"I couldn't understand what he said to begin with".