Which of the following discoveries would provide evidence favoring either one or the other of the two interpretations? A. The discovery that a high proportion of the Olmec-style pottery found in San Lorenzo was mad e in settlements outside the Olmec heartland. B. The discovery that while many settlements outside the Olmec heartland had ceramics that had been made in San Lorenzo, none had ceramics that had been made in other such settlements. C. The discovery that one particular style of Olmec-style ceramic was found in a number of settlements outside the Olmec heartland but not in San Lorenzo.