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.

Verified Answer :

The following are reasons that visual aids are useful in speech delivery:
>Visual aids add interest to a speech.
>Visual aids demonstrate something that is related to the speech.
>Visual aids expand understanding.
Therefore, the answer is option B. The presence of visual aids does not allow the speaker to take a rest from talking.