After school each day, Tyrell watches a couple hours of TV and spends another couple hours doing homework on his computer . On the weekends, he and his friends play video games and watch movies. What area does Tyrell needs to strengthen, and how can he improve A.) health eating; replace junk food with healthier options

B.) physical activity; get physical activity every day

C.) stress management; practice deep-breathing techniques

D.) work habits; schedule more time for studying