Many Fern Gametophytes Are Hermaphrodites,meaning They Can Produce Both Sperm

Multiple Choice

Many fern gametophytes are hermaphrodites,meaning they can produce both sperm and egg.Why is this necessary for a fern,but not for an angiosperm?

A) Angiosperm gametes are already diploid.
B) If a spore colonized a new habitat alone, it could still reproduce.
C) If a seed colonized a new habitat alone, it could still reproduce.
D) The gametophyte could produce multiple types of spores.
E) The gametophyte could produce multiple types of seeds.