Armed with the information you have gathered, you can preparing your business plan.
A. set out
B. set about
C. set off
D. set up
网友回答
A. set out
(答案→)B. set about
C. set off
D. set up
解析：短语辨析。根据横线后面的preparing可知答案为B。因为只有set about doing sth表示开始做某事；set out to do sth开始做某事。