It can be inferred from the passage that the author would be LEAST likely ... ...

It can be inferred from the passage that the author would be LEAST likely to agree with which one of the following?
(A) The presence of certain abnormally shaped prions in brain tissue is a sign of neurological disease.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in PT70 (Oct 2013): Reading Comprehension