Which statement best explains how the experience of watching Kennedy speak is different from reading his words?

The strong emphasis on specific words reveals Kennedy’s desire to inspire fear in the audience so they will embrace the need for change.

The positive reaction of the audience affirms support for Kennedy’s argument.

The intentional use of pauses indicates Kennedy’s desire to put the audience at ease while he addresses an unpopular topic.

The excessive use of gestures reveals Kennedy’s need to convince the audience of his authority as president.