What do we learn about azar's character in the story?

Had to look for the options and here is my
This question is based on Chapter 3 of "The Things They Carried", a book that was written by Tim O'Brien. And based on this book, what we learn about the character of Azar in the story is how caring he is. Hope this helps.

Sometimes when you read things in your head, you skip overall small details/words. when you read aloud, you hear those words and it’s easier to comprehend what you just read. saying things aloud also you remember them.