72. Which of the following statements best compares a pseudocoelom and a coelom? (A) A pseudocoelom is completely enclosed by mesoderm whereas a coelom has an outer covering of mesoderm and an inner one of endoderm. (B) A coelom is completely enclosed by mesoderm whereas a pseudocoelom has an outer covering of mesoderm and an inner one of endoderm. (C) The coelom is enclosed by ectoderm and the pseudocoelom is enclosed by endoderm. (D) The pseudocoelom is enclosed by ectoderm and the coelom is enclosed by endoderm. (E) The coelom is enclosed by ectoderm and the pseudocoelom is enclosed by mesoderm.