You are approaching another vessel and see that she has the signal flag "W" hoisted. What should you do?

A
Proceed on present course and speed since the vessel is stopped and making no way through the water.
B
Attempt to call the vessel on VHF radiotelephone because she is disabled.
C
Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistance.
D
Proceed on present course and speed since the vessel is declaring that she is "healthy" and requests free pratique.
E