What Kind of Example Should You Choose to Include in Your

What kind of example should you choose to include in your illustrating paragraph?

A) You want to include sentences that prove that your main point is true and that are directly related to your main point.
B) You want to include sentences that are interesting enough to keep your reader engaged and that illustrate your main point.
C) You want to include sentences that are very descriptive and that are related to your main thought.
D) You want to include sentences that are about but not directly related to your main point.