D- postmortem
I think thats the answer..
Answer:
A
Explanation:
Process of elimination:
B: This is too general and cannot be inferred from the data because if this were true, the United States would have about 66%.
C: This is not necessarily true and there is nothing in the data that proves this.
A is the only answer left, and it makes sense.
Hey my answer is in the other comment box, it was too long for this text box :)