Which of the folllowing lists the stages or structures of prenatal development in the correct order?

A) Cleavage,zygote,morula,blastocyst,embryo,fetus
B) Zygote,morula,blastocyst,cleavage,embryo,fetus
C) Zygote,cleavage,morula,blastocyst,embryo,fetus
D) Zygote,embryo,morula,blastocyst,cleavage,fetus
E) Embryo,zygote,blastocyst,cleavage,morula,fetus