E is the best.
This question, although it's pretty bad, is not as bad as some other "150 difficult questions".
Premise: Tests are done to the about-to-be transplanted organs.
Conclusion: The possibility of rabies, contained in transplanted organs, affecting recipient is zero.
Proposed Assumptions - Things never go wrong either during the transplant process or during the testing.
A), This simply repeats the background of the question. It's irrelevant.
B), The number of people who
...
This question, although it's pretty bad, is not as bad as some other "150 difficult questions".
Premise: Tests are done to the about-to-be transplanted organs.
Conclusion: The possibility of rabies, contained in transplanted organs, affecting recipient is zero.
Proposed Assumptions - Things never go wrong either during the transplant process or during the testing.
A), This simply repeats the background of the question. It's irrelevant.
B), The number of people who
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