Marina Board Exam: When power-driven vessels are in a crossing situation, one short blast by either vessel would mean __________.

Marina Board Exam 

When power-driven vessels are in a crossing situation, one short blast by either vessel would mean __________. 

A. I request a departure from the rules 
B. I intend to leave you on my port side 
C. I intend to hold course and speed 
D. I intend to change course to starboard 


Answer:  B.   I intend to leave you on my port side