The correct option is A Fabaceae
Fabaceae, this family was earlier called Papilonoideae, a subfamily of family Leguminosae. It is distributed all over the world. Many plants belonging to the family are sources of pulses (gram, arhar, sem, moong, soyabean); edible oil (soyabean, groundnut); dye (Indigofera); fibres (sunhemp); fodder (Sesbania, Trifolium). Hence, plant related to fodder (Trifolium) belongs to family Fabaceae.