The correct option is C Fructose, calcium and certain enzymes
Seminal plasma consists of a mixture of fluid from all the seminal organs of the human male reproductive system. It consists of secretion of bulbourethral glands, seminal vesicles, prostate, vasa deferentia, and epididymis respectively. The fluid contains fructose, calcium, and certain enzymes.
Hence, Seminal plasma in humans is rich in fructose, calcium, and certain enzymes.