Answer:
A.One diploid cell, with 46 chromosomes, undergoes meiosis to form four haploid sperm cells, with 23 chromosomes each.
Step-by-step explanation:
The diploid primary spermatocytes (2n=46) undergo meiosis I and forms two haploid secondary spermatocytes (n=23). The secondary spermatocytes undergo meiosis II and form total four sperm cells (n=23). Since the sperm cells are product of meiosis, they are haploid and each sperm cell have 23 chromosomes.