PT 64 S3 Q14

Newspaper subscriber: Arnot’s editorial argues thatby making certain ... ...

Which one of the following most accurately expresses a flaw in the argument’s reasoning?
(A) it repudiates a claim merely on the grounds that an inadequate argument has been given for it
(B) ...
(C) ...
(D) ...
(E) ...

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