Which Statement Describes the Fern Life Cycle

Which statement describes the fern life cycle?

A) Gametophytes originate within, and are dependent upon, sporophytes.
B) Sporophytes originate within, and are dependent upon, gametophytes.
C) Both gametophytes and sporophytes are totally independent from each other and are equally dominant.
D) Gametophytes are free-living and photosynthetic, but are replaced by a dominant sporophyte generation.
E) Gametophytes are photosynthetic and partially independent from the sporophytes.