问题描述：
81. This special school accepts all disabled students, _____ educational level and background.
A. according to B. regardless of
C. in addition to D. in terms of
请翻译、并详细分析,越详细越好.谢谢!
A. according to B. regardless of
C. in addition to D. in terms of
请翻译、并详细分析,越详细越好.谢谢!
问题解答：
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