his poem, he didn’t dare to submit it to the professor.
A. Not having polished
B. Having not polished
C. Not polished
D. Not being polished
网友回答
(答案→)A. Not having polished
B. Having not polished
C. Not polished
D. Not being polished
解析：本题考查非谓语动词的用法。分词的否定式是在分词前面直接加not.此处句子主语he是polish的执行者，要用现在分词。