When on the Telephone in the Medical Office, You Should

When on the telephone in the medical office, you should

A) speak clearly, use terms that you can pronounce correctly and that are appropriate to the situation, and not overwhelm patients with technical words they might not understand.
B) be aware of who is in hearing range of your conversation and use discretion in the type of information you discuss.
C) hold the telephone receiver about an inch away from your mouth and be courteous.
D) keep any personal conversations to a minimum.
E) All of these