Maria is using D. Reframing strategy for managing dialectical tensions.
Explanation:
Reframing is a technique used in finding the positive alternatives during maladaptive thoughts. Generally teens and adults follow reframing to change their way of thinking. Reframing can help them in overcoming the negative thoughts. One can refrain themselves from tension.
Maria follows reframing strategy to manage her dialectical tension. Whenever Ray goes for playing hockey and football, she convinces herself by telling that physical activity is good for his health. She was happy for him that he is not a coach potato.