Refer to the Figure Depicting the Average Blood Concentrations of Four

Refer to the figure depicting the average blood concentrations of four circulating hormones in 100 healthy adult women.Each hormone plays a role in regulating some aspect of the ovarian and/or uterine cycle. Based on the figure, which statement is true?

A) The hormone represented by curve A is released by the anterior pituitary in response to GnRH.
B) The hormone represented by curve B is secreted by the developing follicle.
C) The hormone represented by curve C stimulates growth of the follicle.
D) The hormone represented by curve D stimulates ovulation.
E) The hormone represented by curve A is produced by the hypothalamus.