Literary creation means that writers are moved by real life and create artistic images with language as materials to form literary works that can be appreciated by readers through the processing and transformation of their minds according to their aesthetic experience of life. Such a special and complicated spiritual production activity is called literary creation. According to the above definitions, which of the following is literary creation:. ['Fan Zheng and Zhu Xuelin refused to meet visitors and devoted themselves to writing exam preparation materials for civil servants for several months.', 'Gao Yubao only attended school for one month. He was a child laborer at 9 years old, a laborer at 15 years old, and a carpenter at 17 years old. He wrote some popular Chinese characters and his "painted characters" into the popular novel "Midnight Chicken call".', 'A Bing, a blind man, spent his whole life on aesthetic experience of folk art and created the world-renowned erhu solo work "Two Springs Reflect the Moon".', 'An American student who likes Chinese classical literature very much, read a lot of books and made a lot of notes with unique insights.']