Answer:
A. It has a cell membrane but no cell wall.
Step-by-step explanation:
Animal cells has a cell membrane but not cell wall because they do not require cell wall like plant cells.
In plant cells, cell walls are responsible for providing a rigid cell shape and it allows plants to stand upright without the need of bones while animals have bones that provide them a rigid shape and hence do not require cell wall in cells.
Hence, the correct option is A.