PT 28 S3 Q3

Birds startled by potential predators generally try to take cover in nearby ... ...

Which one of the following, if true, most helps to explain the anomalous behavior of the birds that fly into windowpanes?
(A) Predator attacks are as likely to occur at bird feeders surrounded by dense vegetation as they are at feeders surrounded by little or no vegetation.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Resolve/Explain" Questions, Set 1