As the President of His College Honor Society, Quincy Has

As the president of his college honor society, Quincy has been asked to give a speech to a local senior citizens' organization. Quincy spends a lot of time working on his presentation aids, thinking they will help his audience follow his topic more easily. He uses many PowerPoint slides and video clips. About halfway through his speech, Quincy notices his audience seems distracted, and he even sees some of the senior citizens walk out. In considering demographics, it seems that Quincy did not carefully consider

A) sex and sexual orientation.
B) occasion.
C) age and facility with computer-mediated communication.
D) mental characteristics.