非谓语动词中having done 与 to have done例句:I got to the office earlier that day,______the 7:30 train from Paddington(2013全国新课标Ⅱ卷)选项中有A.caught B.to have caught C.to catch D.having caught请问这个题中B和D有什么区别,做题时如何区分?另外这个题选什么?

问题描述:

非谓语动词中having done 与 to have done
例句:I got to the office earlier that day,______the 7:30 train from Paddington(2013全国新课标Ⅱ卷)
选项中有A.caught B.to have caught C.to catch D.having caught
请问这个题中B和D有什么区别,做题时如何区分?另外这个题选什么?