Mrs. Morris has not had a bowel movement for three days. She has always given herself an enema if she does not have a bowel movement for that long a time. Mrs. Morris asks the Personal Care Assistant to give her an enema. What should the PCA do? A. Give Mrs. Morris an enema. B. Tell Mrs. Morris to wait another day. C. Suggest that Mrs. Morris take a laxative first. D. Contact the agency supervisor to discuss the situation.