The right answer is D.
In our body, we say that there are 4 elements that will coexist:
*Earth :the solid elements of the body.
*Water :blood, lymph and all the water contained in our cells (mentioned in the question).
*Air :the air we breathe and all the gases that will appear with the biological and chemical functions of the body (the environment, mentioned in the question).
*Fire :energy in the body brought in particular by the diet and then used by our cells, muscles, brain and body functions (energy, also mentioned in the question).
