D, because it compares using like
The answer is D.<span><span>producers to consumers and decomposers
A producer like a plant are eaten by a consumer like a cow and when the cow dies it is decomposed by the decomposers </span></span><span />
The correct answer for the given question above would be option A. An argument is not considered as a form of a formal debate. A formal debate is done between teams which represent a certain side of an argument. It is done in a formal setting as well and follows certain guidelines to be judged.