Parkour

Which of the following sentences from the passage supports the idea that parkour will be a popular sport in the future?
A.
"Practitioners of parkour, or traceurs, use agility and strength to cross an urban landscape using acrobatics."
B.
"The more traditional method of finding a set of stairs, or waiting on an elevator, might take minutes."
C.
"The origin of parkour comes from the French Army obstacle course, l'parcours combatant, used for training."
D.
"Action movies have noticed the sport, and some directors include chases between traceurs through crowded city streets."