A 13 years old male is admitted to the hospital for the third time. His illness is diagnosed as ALL. The liaison psychiatric nurse is asked by the team leader to help the nursing staff work more effectively with this terminally ill child and family. One of the nurses says to the liaison nurse, "whenever I go to the child's room, I feel like I have to smile and act happy even though I want to cry when I see him." Which of the following responses that the liaison nurse could make would be best in this situation?

A. "call me when you feel that way, we can talk it over at the time"
B. "Try not to show emotion, such as crying. You will likely upset the patient"
C. "Keep smiling. The patient and his parents need all the support they can get"
D. "Tell the patient that you feel bad that the child is ill. If it seems appropriate, you can cry too"