The correct answer is Physical Activity. Running a mile is a form of physical activity that can help reduce stress and improve mental well-being. Engaging in exercise releases endorphins, which are known as 'feel-good' hormones, and can help alleviate stress and anxiety. This coping method exemplifies using physical activity as a way to cope with stress. By incorporating exercise into their routine, the student is employing a healthy and proactive approach to manage their stress levels. Physical activity has been shown to have numerous benefits for mental health, including reducing symptoms of depression and anxiety.