What effect does the use of a literary device have on the meaning of this passage?

In an email, Brenda told me she's the best golfer, rower, speller, and
runner in the county. She's probably a good storyteller too.

A. It uses a comparison to demonstrate that the author is a better
athlete.

B. It humorously conveys the author's negative opinion of Brenda.

C. It adds completeness by bringing up an activity that Brenda didn't
mention.

D. It provides a list of all of the activities that Brenda excels at.