A Botanist Discovers a New Species of Plant in a Tropical

A botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, the following characteristics are noted: flagellated sperm, xylem with tracheids, separate gametophyte and sporophyte generations with the sporophyte dominant, and no seeds. This plant is probably most closely related to

A) mosses.
B) charophytes.
C) ferns.
D) gymnosperms.
E) flowering plants.