PT 59 S3 Q2

A university psychology department received a largedonation from a textbook ... ...

Which one of the following, if true, most weakens the case for the department chair's position?
(A) The members of the textbook committee were favorably influenced toward the textbook by the prospect of their department receiving a large donation.
(B) ...
(C) ...
(D) ...
(E) ...

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