You are presented with the quiz "What increases a body's flexibility?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "exercise increases a body 's strength" and "exercise increases muscle strength and flexibility". So, what's the best answer to the question?

Pick your answer from: A). Limbs; B). sweating; C). exercise; D). flexible schedule; E). arteries; F). heat energy; G). flex spending; H). flex accounts;
Answer:
C).