Locomotory structure of Amoeba is 

• Single adaptable cell could be a class of unicellular protozoa.
• Under the magnifying instrument they show up as an sporadic, colorless and translucent mass of protoplasm, persistently changing its shape by sending out and pulling back finger-like forms, called the pseudopodia.
• Pseudopodia offer assistance Single adaptable cell in movement and in ingestion.
• Amoeba needs cilia and flagella.

Hence, the correct answer is option C.