单选题A line of position is（）.Aa line connecting two charted objectsBa line on some point of which the vessel may be presumed to be locatedCthe position of your vesselDnot used in a running fix
单选题
A line of position is（）.
A
a line connecting two charted objects
B
a line on some point of which the vessel may be presumed to be located
C
the position of your vessel
D
not used in a running fix
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