The correct answer would be D. four haploid cells.
Meiosis refers to a type of cell division in which single parent cell divides to give rise to four daughter cells.
The whole process is two steps; meiosis I and meiosis II.
In meiosis I, reduction division takes place in which a parent cell divides into two daughter cells, each carrying half the chromosome present in the parent cell.
In meiosis II, the two cells again divide to produce four daughter cells.
The final product of Meiosis is haploid daughter cells in which each cell has 23 chromosomes. What happens in meiosis is that, the cell is divided twice and this produces four daughter cells. During this process that our sex cells are produced. So the answer for this would be option D.