Doctor: It is wrong for medical researchers to keep their research confidential, ... ...

Doctor: It is wrong for medical researchers to keep their research confidential, even if the companies for which they work would rather that they do so. If research results are not shared, the development of effective medical treatments may be delayed, and thus humans may suffer unnecessarily. Which one of the following principles, if valid, most helps to justify the doctor’s argument?
(A) Medical researchers should never engage in any behavior that they know will cause humans to suffer.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Oct 2012 LSAT (PT67): Logical Reasoning A