The correct option is A Above Cowper's glands
The male accessory glands include paired seminal vesicles, a prostate and paired bulbourethral glands. Seminal vesicles are paired structures. They are secretory sacs which are present above bulbourethral or Cowper's gland, lying next to the ampulla of the ducts deference. They produce alkaline secretion. It contains mostly water, fructose, prostaglandin and vitamin C.