At the Moment of Sperm Penetration, Human Eggs

Multiple Choice

At the moment of sperm penetration, human eggs

A) have used flagellar propulsion to move from the ovary to the oviduct.
B) accept as many sperm as possible in order to select the one with the highest fertility.
C) are still located within the ovary.
D) have a paper-thin cell of calcium carbonate that prevents desiccation.
E) are still surrounded by follicular cells.