队列的特点包括：Queue’ features include:（There are more than one answers.）A:后进先出Last-in first-out (LIFO) B:先进后出First-in last-out (FILO) C:先进先出First-in first-out (FIFO) D:后进后出 Last-in last-out (LILO) 答案: 先进先出First-in first-out (FIFO); 后进后出 Last-in last-out (LILO)