Which one is not one of the reasons that experiences speakers use silence?

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Which one is not one of the reasons that experiences speakers use silence?

A.To emphasize important points

B.To show the confident of the speaker.

C.To lengthen the presentation to the allotted time.

D.To tells the audience that something important is coming

参考答案:

答案:To lengthen the presentation to the allotted time.