问题详情

According to paragraph 4, what is the relationship between solar flares and the eleven- year sunspot cycle？
A．Solar flares are not related to the sunspot cycle.
B．There is more flare activity at the maximum end of the cycle.
C．There is more flare activity at the minimum end of the cycle.
D．The sunspot cycle indicates where on the sun the solar flares will occur.请帮忙给出正确答案和分析，谢谢！