Answer:
Beavers are good swimmers
Explanation:
The passage talks mostly about the beaver's physical features and how it helps them swim in the water. Notice how the text talks about the beaver's sleek body shape instead of where they live or much else.
Answer:
B. consider whether he ought to go back to find more evidence
C. think about whether he needs to change his perspective
Explanation:
When making research and the researcher discovers that his initial ideas support a different perspective, he should consider whether he needs to go back and get more evidence and whether he needs to change his perspective, so that the ideas would match the perspective.
Answer: b
Explanation: The other answers are the ones that question your morals on judging things.