17 男性濾泡刺激激素(FSH)的分泌受何種激素的負回饋調節 (A)由賽托利細胞(sertoli cells)分泌的抑制素(inhibin) (B)由賽托利細胞(sertoli cells)分泌的睪固酮(testosterone) (C)由雷氏細胞(Leydig cells)分泌的抑制素(inhibin) (D)由雷氏細胞(Leydig cells)分泌的睪固酮(testosterone)