A I'm sure it's helps keep the button on slik is too soft wood would not help a smaller button wouldn't help so A is the correct answer
Así es joven qué te vaya bien:)
Shading is using a light pencil, Shadow is something behing iy
I'd say that the type of context clue that helps you understand the meaning of the word repining is B. restatement.
If the word is in the middle of the poem, you wouldn't want an explanation or an example, but its synonym in order to understand what that particular word means. At least that is what I believe, I'm sorry if you get this answer wrong. :/