BOTH INTERNATIONAL & INLAND You are underway in a narrow channel and you are being overtaken by a vessel astern. The overtaking vessel sounds a signal indicating his intention to pass your vessel on your starboard side. If such an action appears dangerous you should sound __________.

A
five short and rapid blasts
B
three short and rapid blasts
C
one prolonged followed by one short blast
D
one prolonged, one short, one prolonged, and one short blast in that order
E