The correct option is "C.)to show the reader the pain Mr. Frank feels being in the attic postwar"
With the title of The Diary of Anne Frank, we know the edition of the personal diaries written by Anne Frank between June 12, 1942 and August 1, 1944 in a total of three notebooks preserved today, where she tells her story as a teenager and the two years in which he remained hidden from the Nazis, with his German family of Jewish origin, in Amsterdam during the Second World War.