For the first question regarding the meaning of "rough" in the context of the sentence provided, the best choice is Unpolished. The sentence indicates that while the painting may not have been refined or smooth, it is nonetheless recognizable as Raul's work, suggesting a lack of polish rather than any negative connotations like ugliness or ruggedness.
For the second question, regarding the gerund in the sentence "All our school’s art classes began planning an art show," the word that serves as the gerund is planning. It is the verb form that ends in -ing and functions as a noun in the context of the sentence, indicating what the art classes began doing.
For the third question about how Devon reacts when he sees Janelle in the library, the best choice is He worries that she will tease him for reading. This response indicates his apprehension about her presence and what it might mean for him.