Which of the Following Is NOT a Guideline from Your

Which of the following is NOT a guideline from your text for introducing a speaker?

A) Explain how the speaker's remarks will have value for the audience.
B) Precede last names by the formal titles of "Mr." or "Dr." when you introduce men, and precede last names by first names when you introduce women.
C) Showcase the speaker's most important credentials.
D) Briefly preview the topic the speaker will address.