Which situation describes opposite quantities?
A.
Marie drives 500 meters starting from an intersection, going north. The road then curves to the left, and she drives another 500 meters.
B.
Debbie walks 400 feet along a street, then takes a sharp right and walks another 400 feet.
C.
Ben drives 900 meters north from his house to a store. Then, he drives 900 meters south on the same road to get home.