B. Person "A" said they were going to have a test.
I would say the first option. "river knows. I from man conceal". To me says nature knows but he's hiding it from people.
Pretty sure it’s D. Could be B though
Diction misery hurt nobody and love
And the image is U have a poem that's good and u don't want anyone to see because it could hurt someone or even make them feel sad or alone
Hope It helps!
No, I love it! I think it is perfect!