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1. |
"Bottlenose dolphins are not alone", what does the author mean by this sentence? |
A. | Only for dolphins do some scientists still argue that there is sufficient evidence for their overall cognitive superiority. |
B. | Dolphins together live in a primarily acoustic world and use a variety of auditory signals for communication. |
C. | Dolphins are kept in captivity along with other animal species. |
D. | Apart from bottlenose dolphins, the ability to learn and to combine a large number of referential symbols and use them with a small set of syntactic rules is within the reach of several nonhuman animals from the avian and mammalian classes. |
E. | All of the above |
Answer» E. All of the above | |