Answer:
Option C
Step-by-step explanation:
Keith is having a lot in him, it is obviously stress, he is engaged in a lot of activities that is very stressful, he attends school and also works full time ,from the passage, it can be deduced that he doesn't really have much time for himself ,the stress he is experiencing is as a result of his daily activities, the school ,the work and the volunteer activities tells on him ,option C is the best answer.