Answer:
To begin with
Explanation:
This is the answer because you are beginning to tell about the olympic swimmer. Finally would not be it because it states that that is the end of the writing. it's not in addition because this is the first fact you have given and it wouldn't be equally important because that's opinionated.
Hope this helps.
You can eliminate C because that is a Flat Character.
The answer is A from what I see.
