Which Statement Most Accurately Describes Plant Gametes

Which statement most accurately describes plant gametes?

A) Gametophytes produced by mitotic divisions of spores can mature into gametes.
B) Gametes are formed directly from meiosis.
C) Haploid spores produced by meiosis are mature gametes.
D) Gametophytes produced directly from meiosis are mature gametes.
E) Sporophytes undergo meiosis to produce mature gametes called spores.