A Woman Pregnant with Twins Asks the Nurse About Differences

A woman pregnant with twins asks the nurse about differences between identical and fraternal twins. The nurse explains that since it has been determined that she is having a boy and a girl, they are fraternal, and there will be:

A) One placenta, two amnions, and two chorions.
B) Two placentas, two amnions, and two chorions.
C) Two placentas, one amnion, and two chorions.
D) Two placentas, two amnions, one chorion.