I don't know what passage you're talking about, but I think that A would be a better choice. To me, B seems a little too specific to be a main idea. However, if the passage never discusses the kindness of others then I think that B is probably correct.
Answer:
Explanation:He uses foreshadowing, setting, plot, and characters to reveal the theme.
There are ten syllables in each line
Every other line rhymes
The four lines are a comparison between a person and summer
Just did this :)