Anxiety can improve your public speaking performance.

Paul sent all of his friends a salutary message on the Internet.

(A) beneficial (B) profane (C) funny (D) interesting

Which of the following is NOT advice you should follow in producing your persuasive messages? 

A. Use testimony, the use of quotes and sources, to bolster your persuasive effort. B. Use reasoning, because full arguments tend to be persuasive. C. Use specific numbers instead of vague words like "many" or "most". D. Use your imagination to make up stories that will convince your audience.