The correct option is B Euglena
Protists can locomote by using
- Fagella (Euglena)
- Cilia (Paramoecium)
- Pseudopodia (Amoeba, slime moulds)
- Mucilage propulsion (diatoms move from one place to another by the secretion of mucilage).
Protists like sporozoans and non-flagellate euglenoids move by wriggling.