PT 63 S1 Q4

Electric bug zappers, which work by attracting insects tolight, are a ... ...

Which one of the following, if true, most helps to account for the pest control experts’ recommendation?
(A) Insect-eating birds will take up residence in any insect-rich area if they are provided with nesting boxes, food, and water.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in June 2011 LSAT (PT 63): Logical Reasoning A