Which Statement About Tissue Transplants Is TRUE

Which statement about tissue transplants is TRUE?

A) The source of graft rejection is T cell recognition of the foreign MHC antigens on the transplanted cells.
B) If transplants demonstrate a perfect match for all Rh antigens, then there is a 95% success rate.
C) Successful transplants require a complete match of all MHC antigens.
D) Xenotransplantation avoids the fundamental transplant mechanism of graft rejection.
E) Skin can be successfully transplanted between siblings and other closely related family members.