<em>In my opinion, it would be C.</em> You never know how many calories this person has burned every day. In A and B, they specifically state how many miles each day. D could be like jogging for 10 minutes. But you never know how many calories answer C has.
The best form of exercise for weight loss is cardio, since it burns the energy stored in fat after a while of burning calories. In this case, the answer would be A. Cardio is an effective and fast way to burn fat, although a persons eating habits also directly influence weight.
Explanation: When it comes to spreading information, biased or factual, it is represented on the media or platforms that share news or events. Same goes for radio, newspaper, etc. Good Luck!!!