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关于逗号的使用究竟有没有将就,帮忙看看这个句子: 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 attracting 正确答案D 这里using应该表示伴随状语,但没有用逗号,那用逗号的话可以不呢 |
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