PT 34 S2 Q12

The five senses have traditionally been viewed as distinct yet complementary. ... ...

Which one of the following statements, if true, most seriously weakens the argument?
(A) Synesthesiacs demonstrate a general, systematic impairment in their ability to use and understand words.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Weaker" Questions, Set 3 - Difficult/Uncommon Mix (25Q)