MrsBurns Has Been Waiting to Hear the Results of the Magnetic

Mrs.Burns has been waiting to hear the results of the magnetic resonance imaging scan that has been performed on her daughter.Her continuous rude interruptions and loud demands for information are very annoying.Her behavior is most likely a reflection that:

A) the staff is incompetent.
B) the procedure is taking too long.
C) she does not understand medical procedures.
D) she is frightened.