According to "graceful new words are advocated, halal words are fragrant, the spirit of Su Xin still exists today, and the iron horse is more affectionate", it can be seen that these poems praise Song Ci. Ci is a new poetic style with long and short sentences, which is easy to sing and is the main literary form in Song Dynasty. There were many outstanding poets in Song Dynasty, such as Su Shi and Xin Qiji, who were bold and unconstrained, and Li Qingzhao, a poetess of graceful school.
So choose B.