50. A transfusion of type A blood given to a person who has type O blood would result in
(A) the recipient's B antigens reacting with the donated anti-B antibodies.
(B) the recipient's anti-A antibodies clumping the donated red blood cells.
(C) the recipient's anti-A and anti-O antibodies reacting with the donated red blood cells if the donorwas a heterozygote (Ai) for blood type.
(D) no reaction because type O is a universal donor.
(E) no reaction because the O-type individual does not have antibodies.