SAT English Practice Question

The main idea of the passage is to describe a particular scientist’s discovery. This discovery involves a new type of animal behavior that was previously unknown to researchers. This behavior may be challenging to study because it only occurs under certain conditions. What is the most likely reason why the writer chose to use this approach?

1. A.the behavior of a particular type of animal is more complex than researchers previously believed.
2. B.a particular type of animal exhibits a behavior that can only be observed in a controlled setting.
3. C.certain animals exhibit a behavior that was previously unknown to researchers.
4. D.researchers should be careful not to interfere with the natural behavior of animals in the wild.