问题补充：
-Would you like to sing a song for us?
-.
A. I prefer not
B. I prefer not to
C. I prefer to not
D. I wouldn prefer
答案：
A. I prefer not
(答案→)B. I prefer not to
C. I prefer to not
D. I wouldn prefer
解析：选项A的not可以代替的是句子；B项not to代替不定式动词，相当于prefer not to sing a song。
如果觉得《-Would you like to sing a song for us?-.A. I prefer notB. I prefer not toC. I prefer to n》对你有帮助，请点赞、收藏，并留下你的观点哦！
