Astronomers Have Concluded That the Sun's Activity Varies in an 11-Year

Astronomers have concluded that the Sun's activity varies in an 11-year cycle. Which of the following statements about this cycle is TRUE:

A) Every 11 years sunspots completely cover the Sun, making its surface much darker
B) The number of sunspots gets larger and smaller over the course of 11 years
C) When sunspots are at a minimum, we get the largest number of flares and prominences
D) The Sun's activity cycle shows absolutely no connection to its magnetic field
E) The Sun's activity cycle is directly connected to the number of earthquakes at the continental plate boundaries on Earth