According to Your Textbook, Which Othe Following Is an Advantage

Multiple Choice

According to your textbook, which othe following is an advantage ousing visual aids in a speech?

A) Using visual aids can increase the clarity of a speaker's message.
B) Using visual aids can increase the audience's retention of a speaker's message.
C) Using visual aids can increase the persuasiveness of a speaker's message.
D) all of the above
E) a and b only