Students should be encouraged to take charge of their own learning, just depending on the

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A. better than
B. more than
C. other than
(答案→)D. rather than
解析：考查than短语。Better than比…好；more than超过，不仅仅；非常；other than除…之外；rather than代替，而不是；句意：学生应该被鼓励自己负责自己的学习，而不是依赖他们的父母。根据句意说明D正确。