What is your insight about the given quote? He who does not do research has nothing to teach.

The given quote means that a person who does not learn anything, cannot teach anything as they do not know anything.

answer: b. grete might have remained as shy and immature as she was at the beginning of the story.

one of the most interesting characteristics of gregor's metamorphosis is that, although he is the only character who has physically changed, it is this same change which triggered a transformation in the rest of his family.

by taking care of gregor, grete has become stronger and more confident. she has found a life outside of the house, and has become more independent and self-sufficient. the novel implies that the trigger for the change is gregor's own transformation, and that without it, grete was likely to remain as shy and immature as she was at the beginning of the book.

explanation:

- "chilles is sad and angry because hector, the trojan leader, killed his best friend patroclus. he seems angry with himself because he didn't or protect patroclus against the trojans."