答案及解析：[单选题]Which one in the following is NOT Prof. Xie's suggestion for students when they get along with - 语言文学类题库- 答案窝(daanwo.com)-大学生作业答案及考资分享平台

问题：

[单选题]Which one in the following is NOT Prof. Xie's suggestion for students when they get along with professors?
AAddress the professors by their first names.
BAsk professors questions as many as possible and challenge them in the class.
CNegotiate for higher grades if they need.
DAlways avoid plagiarism and meet the deadline.