With no explanation, chose the best option from "A" or "B". Greg and Zach are high school students who are both interested in the same girl, Tammy. Greg wants to win Tammy's affection.

A: Greg dresses nicely at school acts kindly towards Tammy whenever he has a chance.
B: Whenever Greg talks to Tammy, he makes sure to mention Zach’s flaws and make himself look better by comparison.
A.