PT 59 S2 Q9

No member of the Richardson Theater Group is both aperformer and an administrator. ... ...

Which one of the following arguments displays a flawed pattern of reasoning most similar to that in the argument above?
(A) Not all of the employees of the Tedenco Company are salaried employees of that company. Since Mr. López and Ms. Allen are both salaried employees of the Tedenco Company, it follows that they are not the only employees of the Tedenco Company.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Complete Section: LR-A, Dec. '09 LSAT (PT 59 Sec. 2)