The answer is D
Tû’s descendants became the Mâori, the humans who are able to master anything that they decide to conquer.
It would help if I knew what book it was but I'm since I don't I am going to go with the fact that it is foreshadowing. Say yellow means happy as the sun well. We have the Yellow wallpaper yes. Say the yellow wallpaper starts to fade and pill that is the foreshadowing.
An assistant as i got it and however is used to express contradiction