How identity can be developed is how you see yourself and what you think of yourself.
This paragraph is stating that no matter who, or what you are, we all come from the same blood and live on the same earth.
*A. Derogatory and hostile Correct! The correct answer is: Derogatory and hostile.
Here are the answers for the exercise
1. have been
2. did she meet
3. has he been
4. went
5. have we owned
6. did she graduate
7. did the children go
8. didn't write
9. drank
10. Has she ever tried
11. have you lived
12. Have you ever been
13. didn't go
14. did you go
15. Have you eaten/ Did you eat (Both is correct)
16. have wanted
17. has had
18. didn't see
19. did you have
20. Has he ever played