Answer: Hm well personally I think none of the above. I think you should take a scientific question and research it (ie. What happens if you burn soap bars) but I guess if I had to choose one from here then A?
Explanation:
Hospitals take strict precautions to assure that nothing adulterates the blood supply.
** adulterate : render something poorer in quality by adding another substance, typically an inferior one.
The correct answer is C. remove the wall and get to know his neighbor better
The narrator does not see the point of the wall and would much rather if it didn't exist.
