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Some historians of science have argued that science moves [#permalink]
01 Jul 2009, 14:57
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Some historians of science have argued that science moves forward not so much because of the insights of great thinkers but because of more mundane developments, such as improved tools and technologies.
(B1) through the insights of great thinkers as through the result of
(C) because of the insights of great thinkers as because of-- correct.
(D1) through insights of great thinkers as through result of