Answer:
D. Fossils of early tetrapods have many features that are very different than whales of today
Explanation:
I would say this is the correct answer because it pertains to the fossil record providing proof that the tetrapods evolved from whales. This explains why they are very different than whales nowadays despite the fact that they have a shared ancestor. The answer you have chosen is too vague.
I think the answer is that Sarah should look up words she doesn't know for chapter titles, headings and first paragraphs and write the main idea in her own words.
The answer is D, being whipped sucks obviously and he would try not to cry remembering the horrible times