问题补充:
— I tried it out in this way, but I failed.
— Why not it in some other ways?
A. to work; try doing
B. to work; try to do
C. working; try to do
D. to work; to try doing
答案:
(答案→)A. to work; try doing
B. to work; try to do
C. working; try to do
D. to work; to try doing
解析:try to do sth,表示努力做某事,而try doing sth,表示试着做某事,同时why not do sth,表示为什么不做某事,根据本题的用意,可知答案为A。