PT 59 S3 Q13

A recent study of 10,000 people who were involved inautomobile accidents ... ...

Which one of the following, if true, most seriously weakens the argument?
(A) Most of the accidents analyzed in the study occurred in areas with very high speed limits.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Complete Section: LR-B, Dec. '09 LSAT (PT 59 Sec. 3)