Answer: A and C
Explanation: This is because there is no evidence for the other two answers.
Answer:the occurrence of the same letter or sound at the beginning of adjacent or closely connected words.
Explanation:the repetition of usually initial consonant sounds in two or more neighboring words or syllables (such as wild and woolly, threatening throngs) — called also head rhyme, initial rhyme.
No it is no a slang , it is not that informal.
