Recognise the figure and find out the correct matching.

Options

A. c-embryo, d-placental villi, a-yolk sac, b-umbilical cord
B. c-embryo, a-placental villi, b-yolk sac, d-umbilical cord
C. b-embryo, d-placental villi, a-yolk sac, c-umbilical cord
D. c-embryo, a-placental villi, d-yolk sac, b-umbilical cord

Answer

A

Explanation