I need help with number 7

Which of the following passages from the book best represents the author's use of symbolism? a. the photograph taken of the young enlisted men representing the horrors of war b. woody's mustache representing the government's hidden rules and regulations c. papa's fishing fleet representing his interrogation experience in the south dakotan military facility d. the large empty expanse of the firebreak representing jeanne's feelings of separation from her parents

May someone me with these questions

What is wrong with they follow citation of a book with two authors