Her thoughts became abstract, of floating stars in the sky. At first she was apathetic about the sight, ambivalently, it was quite, something she normally hated, but the sky's beautiful aesthetic took over her body, she wanted to see this sight for the rest of her life, the sight was alleviate for her, allowing her daily struggles to become abstract.
The answer to your question is C
Polonius is using his daughter to spy her conversation with Hamlet. He teaches how to act naturally, how to walk and pretend that she is reading.
In that last phrase, he is saying that we humans often act in deceitful ways, for which we are to blame.
He admits that he is making a mistake, in teaching that kind of behaviour to his own daughter.
Answer:
C. Children know much that grown-ups have long forgotten
