PT 62 S4 Q24

In a recent study of arthritis, researchers tried but failedto find any ... ...

Of the following, which one most logically completes the argument?
(A) indicates that the weather affects some arthritis sufferers more quickly than it does other arthritis sufferers
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Complete Section: LR-B, Dec. '10 LSAT (PT 62 Sec. 4)