Answer:
A. Pixlr
Explanation:
Pixlr is one of the many free options for a graphic design software. Pixlr is mostly an online editor (used within a browser). It is also available as an app for both iOS and Android platforms.
Apple Aperture was a commercial product selling for US$300, but has been discontinued in 2013.
Both Adobe products are also pretty expensive. You can no longer buy them individually, you need to purchase a monthly/yearly subscription.
Pixlr because it is free and you use it on the web
