An Adolescent Reports the Following: "I Get Up at 6

An adolescent reports the following: "I get up at 6 a.m., I attend early-morning band classes three times each week, I play sports for 2 hours each day after school, and homework takes me 3 hours each night. I always feel tired." Which question by the nurse is most appropriate based on this information?

A) "How many hours of sleep do you get each night?"
B) "Do you consume foods high in iron?"
C) "Do you think you are doing too much?"
D) "Have you considered talking with your teachers about decreasing your homework, since you have so many extracurricular activities?"