问题
单项选择题
A．He has finished the paper.
B．He put his paper somewhere else.
C．He forgot to begin researching his paper.
D．He postponed the research.
答案
参考答案：D
解析：F: Have you started researching your paper on computer programming languages of the future M: To tell you the truth, I’’ve been putting it off.Q: What does the man mean