PT 59 S3 Q20

The peppered moth avoids predators by blending into itsbackground, typically ... ...

Which one of the following most accurately describes a flaw in the reasoning of the argument?
(A) The argument overlooks the possibility that light peppered moths had more predators than dark peppered moths.
(B) ...
(C) ...
(D) ...
(E) ...

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