TOEFL Reading: ETS-TOEFL阅读机经 - ML7ZGL7I45NLQUC5L$

Which of the following can be inferred from paragraph 6 about the animals currently on the Hawaiian Islands? A. Except one species of bat, all of the amphibians, reptiles, and mammals on the islands were introduced by people. B. Except for one species of bat, there are no amphibians, reptiles, or mammals on the islands C. Except for one species of bat, none of the amphibians, reptiles, or mammals on the islands have spread to other islands. D. Except for one species of bat, all of the amphibians, reptiles, and mammals on the islands died out after people arrived.