A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 312°. What action should be taken to remove this error during compass adjustment?

A
If the quadrantal spheres are all of the way out, replace them with smaller spheres.
B
If the quadrantal spheres are all of the way out, remove one of the spheres.
C
If the quadrantal spheres are all of the way out, move the spheres in.
D
All of the above
E