Test analysis: "Water chestnut is planted in deep places, rice is planted in shallow places, and lotus is planted in shallow places" means to analyze specific problems. Therefore, choose item D in this question. Item ABC itself is correct but does not meet the meaning of the question and should be excluded.

Comments: It is the key for students to flexibly mobilize and use the relevant knowledge of teaching materials to analyze and understand ancient poetry. The difficulty of the topic is moderate. The key to solve this problem is to correctly understand the connotation and artistic conception of poetry and accurately grasp the relevant knowledge of teaching materials. This question is moderately difficult.