Which of the Following Audience Members Is Being Rude to the Presenter

Multiple Choice

Which of the following audience members is being rude to the presenter?

A) Candace nods at points she agrees with.
B) Karl sits up straight throughout the presentation.
C) Ralph keeps his eyes directed toward the PowerPoint slides.
D) Lei watches the speaker except when she jots down important notes.
E) Frank pulls up his cuff to check his watch every five minutes.