While you are at anchor,what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position().
A:A decreasing reading on loran pair 9960-X
B:The bearing of Wolf Trap Light changing to the right
C:Increasing soundings
D:The bearing of Wolf Trap Light changing to the left
出自:海船船员证