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Although at onetime children’s programming had been limited to a few hours a week, now,however, there are at least four cable networks that dedicate themselvesentirely to shows produced specificallyfor children. A.Although at onetime children’s programming had been limited to a few hours a week, now,however, there are at least four cable networks that dedicate themselves B.With children’s programming having beenlimited at one time to a few hours a week, now at least four cable networks have dedicated themselves C.Once limited to a few hours a week, thereare now at least four cable networks with children’s programming that dedicatethemselves D.Children’s programming was once limited to a few hours a week, but now thereare at least four cable networks dedicated E.While children’s programming had once beenlimited to a few hours a week, at least four cable networks are now dedicated 答案是D,我想问的是A中的错误是什么?是Although和however两个表示转折的连词意思重复么?请NN指点 |
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