TOEFL Reading: ETS-TOEFL阅读机经 - WI63Q58UVI6AQ36TL$

Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. A. Because the Kunz axe could not be linked with known Mesoamerican cultures of antiquity, investigators concluded that it was neither Aztec nor Maya. B. The ceremonial axe puzzled and intrigued investigators because it was neither Aztec nor Maya, nor was it from any other ancient Mesoamerican civilization. C. On the one hand the ceremonial axe was puzzling because it was not Aztec or Maya, and on the other hand it was intriguing because no other Mesoamerican culture made ceremonial axes. D. The Kunz axe puzzled investigators for years because, although it was clearly made in ancient Mesoamerica, it could not be attributed to any known Mesoamerican culture.