Over the Course of a Sunspot Cycle of About 11

Over the course of a sunspot cycle of about 11 years,the regions of sunspot occurrence on the Sun move:

A) from the northern to the southern hemisphere or vice versa, across the equator, within the range of ±30° latitude.
B) from the poles to the equator.
C) poleward, moving from 10° to 30° latitude.
D) toward the equator, moving from 30° to 10° latitude.