Bill Wants to Determine His Blood Type,so He Takes a Few

Bill wants to determine his blood type,so he takes a few drops of blood from a puncture wound in his finger and mixes it with various antisera.His blood cells agglutinate when mixed with the anti-A serum but not with the anti-B.Therefore this is true:

A) Bill could receive type B blood in a transfusion.
B) Bill could donate blood to an individual with type B blood.
C) Bill is Rh positive.
D) Bill's plasma contains B antibodies.
E) Bill's plasma would cross-react with type O red blood cells.