【正确答案】正确答案：In Catch-22, Yossarian is a 28-year-old Captain in the 256th squadron of the Army Air Forces where he serves as a B-25 bombardier stationed on the small island of Pianosa during World War II. Throughout the novel, Yossarian" s main concern is the idea that people are trying to kill him, and he goes to great lengths to try to prevent his death.