All of the following are reasons that visual aids are useful in speech delivery EXCEPT:
Athey demonstrate something.
Btheir presence allows the speaker to take a rest from talking.
Cthey expand understanding.
Dthey add interest to a speech.
Athey demonstrate something.
Btheir presence allows the speaker to take a rest from talking.
Cthey expand understanding.
Dthey add interest to a speech.