I like to get up early so that I can get plenty of work____before lunchA do to B doingC doneD being done

问题描述:

I like to get up early so that I can get plenty of work____before lunch
A do to
B doing
C done
D being done

C
get sth done就是完成某事(让某事被做),就如have sth done.也算是一种固定搭配吧.