I believe the answer is C I don't know why but it seems right I am a professor in college and you should know this if your in high school its in the high school curriculum to know all of the facts. so yeah listen to me its C
Hi! <span>In the United States, the most common blood type is </span>O<span>, followed closely by type A. If you have type </span>O<span> blood, you can only get type </span>O<span> red blood cell transfusions. But you can give your red blood cells to people with type A, </span>B<span>, </span>AB<span>, or </span>O<span> blood, which is why you are sometimes called a universal donor!
I hope this helped please tell me if i didn't help! :D</span>
