The correct option is B Binary fission
Amoeba reproduces by binary fission. In this method, Amoeba divides into two daughter cells.
Fragmentation is a process by which an organism divides itself into several fragments and each fragment gives rise to an individual organism. For example- Hydra
Budding is a process by which an organism is developed from a bud. The bud is a protrusion that arises from the parent body. It then detaches itself from the parent body to form an individual organism. For example- Hydra and yeast