TOEFL Reading: ETS-TOEFL阅读机经 - U04431M73CUM3MLHL$

According to paragraph 1, why did many early excavations of sites of the great civilizations of the Near East have the recovery of clay writing tablets as the main goal? A. Archaeologists wanted to determine the writing systems used by the ancient societies that once inhabited those sites. B. Archaeologists wanted to show that early literate civilizations used clay tablets for their historical records. C. Archaeologists hoped that the clay tablets would answer many of their questions about the ancient societies that once inhabited those sites. D. Archaeologists hoped to find evidence that languages other than early Akkadian had been used by the ancient societies that once inhabited those sites.