好朋友们能 不能帮我看看这道题,每次做都错,我不会排除A,B,C,E不知道错在哪里
Although at one time children's programming had been limited to a few hours a week, now, however, there are at least four cable networks that dedicate themselves entirely to shows produced specifically for children. (A) Although at one time 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 been limited 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, there are now at least four cable networks with children's programming that dedicate themselves
(D) Children's programming was once limited to a few hours a week, but now there are at least four cable networks dedicated (E) While children's programming had once been limited to a few hours a week, at least four cable networks are now dedicated
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