答案及解析：[单选题]Why does a story or a joke sometimes flop in a presentation according to the lecturer? ABecause it&# - 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]Why does a story or a joke sometimes flop in a presentation according to the lecturer?
ABecause it's a bad story or an example.
BBecause the culture backgrounds of the audience are different.
CBecause the story or the joke isn't given clearly.
DBecause it's not proper to tell a story or a joke in a presentation.