this report in such a short time was quite a difficult exercise.
A. Getting, done
B. Get, done
C. To get, to do
D. Getting, to do
网友回答
(答案→)A. Getting, done
B. Get, done
C. To get, to do
D. Getting, to do
解析：注意句子的谓语是 was，getting this report done in such a short time 是动名词短语，用作句子主语。