Given below is an incomplete flow chart showing influence of hormones on gametogensis in males. Observe the flow chart carefully and identify A, B, and C
A. {:("A",B,C),("Progesterone","Follicular","Spermatogenesis"):}`
B. {:("A",B,C),("GnRH","Follicular","Spermiogenesis"):}`
C. {:("A",B,C),("GnRH","Sertoli","Spermatogenesis"):}`
D. {:("A",B,C),("Androgens","Sertoli","Spermatogenesis"):}`
