Test analysis: this problem can be solved by exclusion. The treatment of avian influenza is emphasized in the title, which belongs to the medical category, but only the Compendium of Materia Medica by Li Shizhen in the Ming Dynasty belongs to the medical category, which accords with the meaning of the title, while The Water Mirror and Kyle's Notes? Polo's journey and heavenly work have nothing to do with the meaning of the question, so he chooses C.