A Nurse Saw a Man from an Arab Country Asking

A nurse saw a man from an Arab country asking a physician how his wife was doing.As the physician responded to the question,the physician backed away.The man again moved up close to the physician to ask another question,which the physician answered while again backing up.Which of the following conclusions can be drawn by the nurse?

A) Both were trying to arrange the space between them to be comfortable.
B) The man had poor personal hygiene,so the physician was distancing himself from the client.
C) The physician did not want to stand that close to an Arab.
D) These things happen;there is no particular meaning to this event.