Which of the following can be inferred from paragraph 3 about the difference between earlier tokens and later tokens? A. Later tokens were made of many different materials, but earlier ones were made only of clay. B. Later tokens often looked like the commodities that they represented, but earlier ones did not. C. Later tokens represented agricultural products, but earlier ones represented finished products. D. Later tokens were based on pictographs, but earlier ones were based on naturalistic forms.