Concept:In ferns, the dominant, conspicuous plant body is the diploid sporophyte generation.
Explanation:The fern life cycle alternates between a gametophyte and a sporophyte.
The gametophyte, called a prothallus, is small, green, and short-lived.
The sporophyte is the large, familiar fern plant with roots, stems, and leaves, and it is the dominant phase.
Answer:B. sporophyte