What is the definition of alliteration?  A.the repetition of a vowel sound in two or more neighboring words; for example, "green weed"  B.the repetition of a sound at the end of two or more neighboring words; for example, "lend a hand"  C.the repetition of a sound at the beginning of two or more neighboring words; for example, "creepy crawlers"  D.the repetition of two or more words in a sentence or phrase; for example, "at home in my townhome"