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, which of the following 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.