Rishon Is Building a Website for His New Business and Needs

Rishon is building a website for his new business and needs to add photos to make the website more interesting.He's taken a few photos himself and he's received permission from a friend to include some of her photos.Where else can he acquire photos without violating copyright laws?

A) Copy photos from a competitor's website
B) Download photos from friends on social media
C) Copy photos from a public domain website
D) Take screenshots of photos on a stock photo website