Answer: The right answer is D.
Explanation: Two main basic concepts from Daoism is “ziran” which implies moving naturally and “wuwei” that is about effortless actions. Thereby water is often used in Daoism as a metaphor for way-making, because it is shapeless and effortless makes its ways flowing in between things. Using it as an example man could find how to act better. So
The right answer is D. Because water is a basis of human life.