What Is the Main Difference Between a Coelom and a Pseudocoelom

Multiple Choice

What is the main difference between a coelom and a pseudocoelom?

A) A coelom is enclosed by muscle on the outside only;a pseudocoelom is enclosed by muscle on the inside only.
B) A coelom does not have an enclosed body cavity;a pseudocoelom is completely surrounded by muscle.
C) A coelom is enclosed by muscle on the inside only;a pseudocoelom is a solid structure.
D) A coelom is enclosed by muscle on the inside and the outside;a pseudocoelom is surrounded by muscle on the outside of the body cavity.
E) A coelom involves a solid body;a pseudocoelom has muscle on the inside and outside.