Answer:
Qué le preguntas a mi amigo?
Explanation:
A. There should be an apostrophe on the it's, because it is saying, "only some of it is clean and safe enough to drink." The apostrophe should be on that word because it breaks the word down into it is, which is correct in the sentence.
I think the answer is A. I hope I helped.
So basically you have to write the essay about a quotation the you have read in a article or book in the way you read it like how did you interpreted it