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Scientists believe that unlike the males of most species of moth, the male whistling moths of Nambung, Australia, call female moths to them by the use of acoustical signals, but not olfactory ones, and they attract their mates during the day, rather than at night. - A by the use of acoustical signals, but not olfactory ones, and they attract
- B by the use of acoustical signals instead of using olfactory ones, and attracting
- C by using acoustical signals, not using olfactory ones, and by attracting
- D using acoustical signals, rather than olfactory ones, and attract
- E using acoustical signals, but not olfactory ones, and attractin
只想问一个地方： E中的using 难道不会产生修饰them的歧义吗？ 不应该在前面价格逗号吗？
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发表于 2015-3-19 12:00:16
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