题目内容：
Which of the following statements is true about Quiz 2?
A．You use more energy if you walk rather than jog for the same amount of time. B．You use more energy if you jog rather than walk the same distance.
C．You use the same amount of energy whether you jog or walk the same distance.
D．You use the same amount of energy whether you jog or walk for the same amount of time.
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：