A vessel is heading magnetic northwest

A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 317°. What action should be taken to remove this error during compass adjustment? （）

AIf the quadrantal spheres are out as far as possible replace them with smaller spheres
BIf the quadrantal spheres are in as far as possible remove one of the spheres
CIf the quadrantal spheres are in as far as possible replace them with smaller spheres
DIf the quadrantal spheres are out as far as possible，move the quadrantal spheres i

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分类：救助合同与救助公约题库

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