The classic novel that features Xiangling learning poetry is "Dream of the Red Chamber" (also known as "The Story of the Stone"). This renowned Chinese novel, written by Cao Xueqin in the 18th century, is a cornerstone of Chinese literature and is renowned for its intricate plot, vivid characters, and richly detailed descriptions of life in the Qing Dynasty. The novel is particularly celebrated for its portrayal of the scholarly pursuits of its characters, including the learning of poetry.

The reason "Dream of the Red Chamber" is associated with Xiangling learning poetry is due to the novel's focus on the intellectual and artistic development of its characters. Xiangling, also known as Baochai, is one of the main female characters in the novel. She is depicted as highly intelligent, well-read, and deeply interested in poetry. Her interactions with other characters, particularly with Jia Baoyu, the novel's protagonist, often revolve around the discussion and composition of poetry.

Data supporting this association can be found in the numerous scenes throughout the novel where poetry is a central theme. For example, in the 48th chapter, there is a scene where Baochai and Jia Baoyu engage in a poetic contest. This contest showcases their mutual appreciation for poetry and their scholarly abilities. Additionally, the novel contains a significant number of poems written by the characters, which further emphasizes the importance of poetry in their lives.

The inclusion of poetry in "Dream of the Red Chamber" serves multiple purposes. Firstly, it reflects the cultural and social context of the Qing Dynasty, where poetry was a highly valued form of artistic expression. Secondly, it provides a means for the characters to express their emotions and thoughts, adding depth to their personalities. Lastly, the use of poetry enhances the narrative by creating a sense of elegance and sophistication that is characteristic of the novel's style.

In conclusion, "Dream of the Red Chamber" is the classic novel that features Xiangling learning poetry. The novel's focus on the intellectual pursuits of its characters, particularly Baochai, highlights the importance of poetry in their lives and reflects the cultural values of the Qing Dynasty. The inclusion of poetry in the narrative adds depth and sophistication to the story, making it a significant contribution to Chinese literature.