Think twice before you make a decision on this matter. It will make to your life.
A. no difference
B. a difference
C. little difference
D. difference
网友回答
A. no difference
(答案→)B. a difference
C. little difference
D. difference
解析：根据前面“对这件事作出决定前要仔细思考”，说明后面应该是“它将对你的一生产生影响”。A、C项表示“不重要;没有影响”；D项不符合习惯。