A position obtained by applying only your vessel’s course and speed to a known position is a （）.

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

A.longitude line
B.latitude line
C.line of position
D.fix

A.red
B.yellow
C.with red and white vertical stripes
D.with a distinct color and pattern unique to each buoy