Implantation of the blastocyst is the result of all of the following except ________.
A) phagocytosis by the trophoblast cells
B) proteolytic enzymes produced by the trophoblast cells
C) settling of the blastocyst onto the prepared uterine lining
D) adherence of the trophoblast cells to the endometrium
Answer: A) phagocytosis by the trophoblast cells