The main reason to make your telephone voice sound pleasant is that
a. you can avoid straining your throat as you speak.
b. the other person may be angry, depressed, or bored.
c. you are applying good listening technique.
d. the other person has no visual cues to supplement your voice.
e. you will remind the other person that the boss may be calling.
Answer: d. the other person has no visual cues to supplement your voice.