If you were writing a letter about how swimming is the best exercise, which sentence would be a good supporting reason for your argument? a) soccer is excellent at developing both lower body strength and endurance for long runs. b) if your town only has access to an outside pool, then your swimming time is limited by cold weather. c) the skills you learn while swimming don't always translate easily to real-life everyday skills you need. d) swimming not only develop your entire body's muscles, it also you use oxygen and breathe better. submit

The correct answer is option D) Swimming not only helps develop your entire body's muscles, it also helps you use oxygen and breathe better.

Explanation:

An argument is a statement we use to convince someone about a certain point of view or idea. We must convince readers of what we are exposing and for that we must have something to support it, a supporting reason.

This means something that shows that what we are saying has logic, or is real.

If we try to convince someone that swimming is the best exercise, the best option is to tell them that Swimming not only helps develop your entire body's muscles, it also helps you use oxygen and breathe better.