It seems like the author is using kenning, because instead of saying "teacher", they're using "grade-giver".
so the poetic devise is kenning
hope this helps :)
The chimpanzee David Greybeard was actually accepting of Jane Goodall. The chimpanzee David Greybeard actually “introduced” Jane Goodall to other members of David Greybeard’s family. And, most notably (and surprisingly) to Jane Goodall, David Greybeard actually let her groom him. What most surprised Jane Goodall was that David Greybeard was a full-grown adult male chimpanzee, and he let a human touch him by manner of grooming.
Your best choices would be ether B or C. maybe reread it over and choose which one of the two seem the best to you! hope this is a little helpful
Modernism develops by a movement & an art movement
Ummm what are you asking or explains the question or???….