The correct statements are answer A and answer C.
The mud melts and the swallows fly, and the sand warms and the mandarin ducks sleep. It comes from one of Du Fu's "Quatrains". This poem is because the poet organically organizes the spring breeze, flowers and plants and the fragrance they emit. It makes people read this poem. People feel like they are there.
Option C embodies the Confucian view of great benevolence and love. You will not keep a bird in a cage just because you want to appreciate it.
Ancient poetry, that is, ancient Chinese poetry, refers to Chinese poetry before the Opium War in 1840. Its original meaning is a poem written by ancient people. In a broad sense, ancient Chinese poetry includes poems, lyrics, sanqu, etc. written by ancient people; in a narrow sense, ancient poetry only refers to ancient poetry and modern poetry written by ancient people.