Which Statement by a Patient Who Has Been Hospitalized for Pneumonia

Which statement by a patient who has been hospitalized for pneumonia indicates a good understanding of the discharge instructions given by the nurse?

A) "I will call the doctor if I still feel tired after a week."
B) "I will need to use home oxygen therapy for 3 months."
C) "I will continue to do the deep breathing and coughing exercises at home."
D) "I will schedule two appointments for the pneumonia and influenza vaccines."