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Great _____ Newton was, many of his ideas have been challenged today and are being modified by scientists of our time.
A、as
B、while
C、although
D、like
【正确答案】：A
【题目解析】：尽管牛顿很伟大，但是他的很多想法在当今已经受到挑战了，正在被当代的科学家进行修改。