Which are characteristic of type O blood? A: Has anti-A antibodies B: Has anti-B antibodies C: Has surface antigen O on its erythrocytes D: Has surface antigen A on its erythrocytes E: Has neither surface antigen A nor B on its erythrocytes
A) a, b, c B) a, b, e C) b, c, e D) b, c, d E) c, d, e