I think it's B. Possibly.
Answer: B) Indirect Characterization
Explanation: Indirect characterization is the process by which the writer shows the character's personality through speech, actions and appearance. When you watch a movie or television show, you can usually gather what type of person the main character is based on the character's actions and reactions in different situations.
The noun in this sentence which is uncountable, meaning that it names something that cannot be counted is the noun water.
You cannot count how many waters there are - it is uncountable. The other nouns, students and pitcher are countable, so they cannot be the correct answers, but rather water is.
Answer: A. Elenita versus the music of her parents' homeland.
Explanation: in literature, a conflict is a struggle between opposite forces, usually between a character (the main character or a very important one) and himself (internal conflict), society or another character (external conflict). In the given excerpt from Gravity by Judith Ortiz Cofer we can see an example of an external conflict between a character (Elenita) and the music of her parents' homeland, which her mother used to listen to in the evenings.