Little to help the poor bird, whose wing was badly injured.
A. Tom does
B. does Tom
C. does Tom do
D. did Tom do
网友回答
A. Tom does
B. does Tom
C. does Tom do
(答案→)D. did Tom do
解析：当否定副词little置于句首时，其后习惯上要用倒装语序(与一般疑问句形式相同)主语后面的do为实意动词,根据从句时态他的翅膀严重受伤了,可知主句时态为过去时态,故选D。