In developing the main idea of the passage, the author does which of the following？A．Sugge

In developing the main idea of the passage, the author does which of the following？

A．Suggests the existence of a social basis for all human behavior.

B．Notes several instances of human behavior. and extrapolates a scientific theory.

C．Argues for the existence of categories of communication from an anthropological basis.

D．Reorganizes an anthropological system of categorization for greater clarity.

E．Codifies earlier, unsystematic conjectures about systems of meaning.