The paragraph deals with Philippine eagles, as shown in option B.
The first sentence of the paragraph is the topic sentence and consists of the exposition of the subject dealt with in this text. In this sentence, we can see that the author focuses on presenting Philippine eagles and how it is adapted to the environment where he lives. Thus, the Philippine eagle is the subject dealt with in the paragraph.
More information about a topic sentence is in the link:
https://brainly.com/question/25307761