A Woman Received a Transfusion of Packed RBCs While Delivering

A woman received a transfusion of packed RBCs while delivering her baby. Six months later she wanted to donate a unit of blood back to the American Red Cross. If the woman meets all other criteria for donation, is she allowed to donate at this time?

A) Yes, she can donate at this time.
B) No, she needs to wait 3 more months.
C) No, she needs to wait 6 more months.
D) No, she should be on permanent deferral.