The correct option is D 8 jacket cells, 1 prothalial cell and 4 androgonial cells
Selaginella is a pteridophyte belonged to the class Lycopsida. The male gametophye has 13 cells - 8 jacket cells, 1 prothallial cell and 4 androgonial cells and male gametophyte is shed at this 13-celled stage.