What Role Does the Increase in Body Fat That Occurs

What role does the increase in body fat that occurs in adolescence play in menarche and spermarche?

A) Both menarche and spermarche are triggered by the increase in body fat.
B) Menarche, but not spermarche, is triggered by the increase in body fat.
C) Spermarche, but not menarche, is triggered by the increase in body fat.
D) Neither menarche nor spermarche is triggered by the increase in body fat.