Sometimes it is usual to go so in-depth on topics the presenter knows well that().

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Sometimes it is usual to go so in-depth on topics the presenter knows well that().

A.he loses focus on the audience’s need

B.he forgets to make an appropriate ending

C.he includes much unrelated information

D.he misses some key message of the presentation

参考答案:

答案:he loses focus on the audience’s need