A celestial body’s complete orbit around another body is（）.

A.greater than the declination and both are of the same name
B.less than the declination and both are of the same name
C.greater than the declination and both are of contrary name
D.less than the declination and both are of contrary name

A.Under any condition
B.If the grounding lasts over 24 hours
C.If it creates a hazard to the environment
D.At the owner's discretion

A.bifurcation
B.fish net area
C.anchorage area
D.dredging area