What happens a few days after fertilization A.The baby can be felt moving. B.The blastocyst forms. C.Cells have started differentiating. D.The eyes develop.?

A few days after fertilization, the blastocyst forms as the fertilized egg undergoes several cell divisions and begins to develop. This structure will eventually implant into the uterine wall. At this stage, cells have not yet started differentiating significantly, and the development of the eyes occurs much later in the embryonic process. Therefore, the correct answer is B. The blastocyst forms.