单项选择题

Which of the following is the best title of this article according to your understanding

A．Anthropologists' Researches.
B．The Vocal Chords of Our Ancestors.
C．The Ears of Our Ancestors.
D．Words of the Distant Past.
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单项选择题
Which of the following sentences is tree accord to this article
A．Anthropologists and experts all agree with each other to their findings.
B．Measuring how sound would pass through the model ears is the second step in the research.
C．The fossils from Sima de los Huesos belong to H. heidelbergensis.
D．The fossils from Sima de los Huesos belong to Neandertals.
单项选择题
Researchers began their research work with the ancient ears most probably because ______.
A．hearing mid talking developed in a common ancestor shared by both Neandertals and modern people
B．hearing might have evolved long before talking
C．computers can make three-dimensional models of what the ancient ears looked like
D．humanlike ears suggest humanlike speech
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