While Observing the Sun, You Note a Large Number of Sunspots

While observing the Sun, you note a large number of sunspots. What can you conclude?

A) Earth's climate will be unusually cold.
B) There are likely to be an above average number of flares and prominences.
C) The Sun is less luminous than usual.
D) The Sun's rotation is slower than average.
E) This is a period of low solar activity.