In the Context of Prenatal Development, Which of the Following

In the context of prenatal development, which of the following is true of the placenta?

A) It develops and differentiates into the inner layer of skin, muscles, skeleton, and the excretory and circulatory systems.
B) It produces the hormones that support pregnancy and prepares the mother's breasts for lactation.
C) It develops into organs that will nurture and protect development in the womb.
D) It transports embryonic wastes to the umbilical cord via embryonic blood vessels.