Test analysis: this question examines the unity of progress and stumbling in the development of things. "A green lantern with a splendid article and fruitful poems" reflects that the development of things is the unity of progressiveness and stumbling, which inspires us to believe that the future is bright, but we should be prepared to take detours. ① ② Reflect the problem from the perspective of connection, ③ ④ Reflect that the development of things is the unity of progress and stumbling, so it conforms to the meaning of the question, so the answer should be C.