Most Animals Have Evolved a Body Cavity; in the Coelomates,the

Most animals have evolved a body cavity; in the coelomates,the cavity is characterized by a

A) fluid-filled space lined with tissue derived from embryonic mesoderm.
B) fluid-filled space located between the endoderm of the gut and mesoderm-derived layers of the body wall.
C) central space partitioned by bands of muscle that creates multiple, but relatively small, fluid compartments.
D) None of the above describe the coelom.