D. interjection.
An interjection is a word used to state emotion, whether scared, angry, or excited, and is usually placed at the beginning of a sentence.
I think it's like holding a grudge
The passage is centered on the theme of belonging in a certain pack or group. Buck may be a bit different from the others but as Buck tried to be like them and did what they usually do, it gathered the trust of the pack especially the leaders. To belong in a group, one should gain their trust.
Answer: Problem and Solution
Explanation: to show sylvia earles solution for the problem of damage to the ocean
Answer: D
Explanation: The theme is never to give up because he didnt give up when people talked ab him for liking someone buetiful or he didnt give up when the girl said she couldnt marry him he kept pushing until he got what he wanted.