If a Fern Gametophyte Has Both Male and Female Gametangia

If a fern gametophyte has both male and female gametangia on the same plant, then it ________.

A) belongs to a species that is homosporous
B) must be diploid
C) has lost the need for a sporophyte generation
D) has antheridia and archegonia combined into a single sex organ
E) is actually not a fern, because fern gametophytes are always either male or female