If You Are Not an Authority in a Particular Subject,how

Multiple Choice

If you are not an authority in a particular subject,how can you add credibility to your message?

A) Use phrases such as,"In my experience," or,"I believe."
B) Add numbers and statistics to the communication.
C) Discuss areas where you are an authority.
D) Cite authorities and experts.
E) Use industry jargon and slang to ensure the tone of the message is correct.