I think it’s “ Swimming swiftly, was the only way for the dolphin to stay with its pod “
Women generally produce 3-4% less melanin in their skin than do men in all populations of the world. They suggest that this is probably due to the fact that women have far higher calcium requirements during their reproductive years. They may suffer from more pimples, or skin irritations.
So A doesn’t really go with it so you can rule that out. The main character doesn’t get introduced can you can rule out D too. It’s between B and C. I honestly would go with C the author sets up the hook of the story.
The first sentence has the pronoun reference error. it sounds like AL is scratching not the dog. the error is using "he" just eliminate the word.
D because if he wasnt giving him trouble then their would be no start conflict