The answer is B. Chello
Trust me
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. :/
The difference between realist art and modernism art:
Realist art is something that's drawn or painted to portray a realistic object. They would make it look real, like a person or a fruit, almost like it would look if you took a picture of it with a camera although they didn't have cameras when realist art was invented.
Modernism art is a type of art that has more colors, lines, and details. It is a stylish type of art that requires complicated uses of form.