The correct option is D Vitamin E
Various studies have shown that Vitamin E increases sperm health and motility. Deficiency of Vitamin E causes testicular degeneration and various other disorders of reproductive system there by leads to male infertility. Deficiency of vitamin E can be prevented by eating a diet rich in vitamin E. Food supplements of vitamin E are nuts, seeds, egg yolks, whole grains and green leafy vegetables. Peanuts, soybean, corn oil and sunflower seeds also contain vitamin E. Hence, option D is correct.