A Nurse Stressed to an Oncology Patient the Importance of Returning

A nurse stressed to an oncology patient the importance of returning to the outpatient clinic promptly at 8 AM for the next treatment,but the client arrived at 3 PM.Which of the following would be the most likely explanation for the client's tardiness?

A) The client needed the appointment written down so the client could remember the exact time.
B) The client's employment had to come first,so the clinic visit was second in priority.
C) The client's perception of time was not linear or future oriented.
D) The client was having too much discomfort from the treatment to have another treatment so soon.