80 INLAND ONLY In a narrow channel, you are underway on vessel "A" and desire to overtake vessel "B". After you sound two short blasts on your whistle, vessel "B" sounds five short and rapid blasts on the whistle. You should __________.

A. pass with caution on the port side of vessel "B"
B. wait for the other vessel to initiate a signal
C. initiate another signal after the situation has stabilized
D. immediately answer with the danger signal, and then sound one short blast