PT 64 S3 Q15

Columnist: Shortsighted motorists learn the hard wayabout the wisdom of ... ...

Which one of the following, if true, most weakens the columnist’s argument?
(A) Even some cars that receive regular preventive maintenance break down, requiring costly repairs.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Oct 2011 LSAT (PT 64): Logical Reasoning B