Answer:
A. A central route persuasion
Explanation:
A central route persuasion refers to a persuasion that occurs because of the core content of the message rather than relying on other factors. In order for this to happen, both the messenger and the receiver need to be open minded to new outcome and can Utilize their thought process to properly analyze an argument.
Compared to other forms of persuasion, central route persuasion tend to be harder to achieve, but the effect of the persuasion tend to last longer.
By the time
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Not all of them are correct but one which is "enhance the clarity of a speaker's ideas".
Visual aid is an instructional gadget, for example, a graph, guide, or model that interests essentially to vision; particularly an instructive movie or filmstrip etc. but they still need explanation from the speaker but help his speech in creating clarity for the audience.
