Zalta was 11 when she first observed war firsthand
B is the answer
Explanation
<em>Answers</em>
Alliteration = B; The repetition of beginning sounds in two or more neighboring words.
Idiom = C; An expression that cannot be understood from the meanings of its separate words but must be learned as a whole.
Meiosis = A; A statement that downplays or understates the importance of something.