D. People who disagree with his ideas about nature.
Is this about a specific poem?
She has some regrets about not spending more time with her grandfather.
I believe this is the answer because she talks about how their was a slight language barrier and she was preoccupied with life but now that he is gone she wishes she could know more about him.
Answer:These stages are as: (1) "collection of a sample of learner language, (2) identification of errors, (3) description of errors, and (4) explanation of errors".
Explanation: