In fact, to tell the truth, the ancients didn't realize the problem of ecological balance at all, which was a bit far-fetched. In fact, the unity of man and nature is the Taoist idea of cultivating immortals, but at least they pay attention to the harmonious unity between man and nature, which can be touched by China people's boasting psychology.
As for A's worship of nature, it is a primitive worship. Involving religious belief or feudal superstition is not close to C's doctrine of the mean, and has nothing to do with politics and life. D the equality of all beings is a Buddhist thought, which seems to be very close to ecological balance. The fact that many Buddhist believers disregard the ecological balance and release it at will shows that their equality of all beings is not from the perspective of ecological balance, but from the perspective of a purely compassionate good man.