The nurse needs to perform a physical and gather history data on a pt who speaks only mandarin. The pt is accompanied by a visitor representing herself as the daughter, who offers to interpret. When the nurse responds that there will be an interpreter, the visitor become upset and wants to know why that is necessary. The nurse's best response is
A. "Since the pt doesn't speak english, I can't be sure you are really her daughter, and the interpreter can tell me that."
B. "Our policy states that an interpreter must be used at all times in this hospital when communicating with a person who does not speak english."
C. "In discussing medical medical issues, a professional interpreter can help to ensure complete understanding of all information. You may also participate, with permission from the pt."
D. "I'm not sure that you will understand the medical terminology well enough to translate it correctly into mandarin."