题目内容：
It's suggested to give a quick review of the major research steps or experimental procedures before presenting the results of the study in the video, which of the following is not mentioned by the teacher as a reason for doing so?
A.It's because that back reference is an essential technique in realizing cohesion and coherence in an academic presentation.
B.Because it helps the audience to refresh their memory of your research methodology.
C.Because exact repetition of your research methods would leave a deeper impression among the audience.
D.Because in an oral presentation, it is challenging for the audience to understand what you say if you don’t refer back to the mentioned information before you start giving them something new.
参考答案：