Which of the Following Would Be an Appropriate Central Idea

Multiple Choice

Which of the following would be an appropriate central idea for a presentation?

A) Swimming and hot air ballooning are two enjoyable recreational activities.
B) What is hot air ballooning?
C) Swimming is an enjoyable recreational activity that provides important health benefits for college students.
D) As a result of my presentation,my audience will be able to list the health benefits associated with swimming.