Which situation could be represented by the equation - 15 + 15 = 0?
A. Greg bought a game for $15. He then bought some earbuds for $15

B. Sam loaned $15 to her cousin. He then paid her back $15 the next day.

C. Gabby drove 15 miles to the mall. She then drove 15 more miles to her grandma's.

D. Brody put 15 candy bars in a bag. He then filled the bag with 15 more candy bars.​