Third Person omniscient means that the narrator can not only hear the protagonists thoughts but also everyone else. Therefore the story can be told from may different perspectives. Hope it helped :)
Answer and Explanation:
Holden means that he wants children to stop growing up so they don't need to face the adult problems that he has delt with.
"Phoebe points out that Holden has misheard the words—the actual lyric, from the Robert Burns poem, “Coming Thro' the Rye,” is “If a body meet a body coming through the rye” (Sparknotes).