A. I will do something for you in exchange for something else
B. To ignore the request
C. Do someone a favor in hopes that a favor will be returned
D. None of these
🧠 Explanation:
“Scratch someone’s back” means doing a favor expecting one in return. Knowing this helps students improve English vocabulary, ensuring clear communication. Understanding idioms is useful for essays, exams, or conversations in school. This skill is key for English classes, ensuring clarity in academic work or general knowledge about language.
