If You Are Not Given a Time Limit for Your

Multiple Choice

If you are not given a time limit for your presentation,you should

A) make it as long as possible to ensure the audience understands the message.
B) keep the presentation as short as possible while accomplishing your purpose.
C) ask the audience how long they would like the presentation to take.
D) make sure it takes no less than 30 minutes,not including the question-and-answer session.
E) deliver the presentation impromptu,and end it whenever the audience appears to be losing interest.