问题详情

Which of the following statements is NOT the essential element of a persuasive speech？

A．The credibility of the speaker.

B．The logical proof and reasoning presented in the words of the speech.

C．The use of emotional appeals to influence the audience.

D．To explain a concept, instruct an audience, or describe an event.

请帮忙给出正确答案和分析，谢谢！