Answer:
Irregular --> A)
Elliptical --> B)
Spiral --> C)
Explanation:
Irregular galaxies can have many different shapes and are those that do not fit with a circular or elliptical shape of galaxy.
Irregular --> A) Galaxies that have no defined shape
The main characteristic of spiral galaxies are their arms, which rotate around a point, this point is the center of the galaxy.
Spiral --> B) galaxies that revolve around a single point
Elliptical galaxies have a circular or elliptical shape and have no spiral arms.
Eliptical --> C) galaxies that are circular in shape
