What Is the Importance of Development Genes Among Sponges and Eumetazoans

What is the importance of development genes among sponges and eumetazoans?

A) Development genes have no effect on sponges, but control the growth rates of eumetazoans.
B) Development genes are types of biomarkers that develop distinctly with each animal clade.
C) Development genes code for regulation of the body form changes in animals.
D) None of these answer options are correct.
E) Development genes code for proteins that speed up mutation rates in DNA of eumetazoans.