TOEFL Reading: ETS-TOEFL阅读机经 - LM671XJYZ1ZQ4TZJL$

According to paragraph 4, one result of understanding the symbols on stone stelae in Mesoamerica was that archaeologists could start to determine A. what types of calendars had been developed in Mesoamerica B. what the Mayans believed about the actions of the gods C. when texts on stone stelae were used for the first time D. what territories likely belonged to individual Mayan centers