Prentiss wants to host a question-and-answer period after his presentation. Which of the following should he do to be successful?
a. He should set a time limit for questions and answers.
b. When answering the audience's questions, he should be sure to defend his position.
c. He should not announce the question-and-answer period until the end of his presentation.
d. He should not repeat each question when it is asked because doing so wastes valuable time.