The correct option is A Eichhornia
American waterweed found in India is Eichhornia crassipes (water hyacinth) which was introduced into our rivers. The water hyacinth spread out due to the absence of its natural predators, and all the fish were killed. They are called invasive species.
Cyperus is a large genus of about 700 species of sedges, distributed throughout all continents in both tropical and temperate regions.
Typha is a genus of about 30 species of monocotyledonous flowering plants in the family Typhaceae.
Species of Trapa are floating annual aquatic plants.