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Advances in materials engineering enabled the bicycle industry to create aluminum alloy frames that are far more lightweight than iron.
A. far more lightweight than iron
B. far more lightweight as are iron frames
C. far more lightweight than are iron frames
D. far more lightweight than iron frames
E. exceedingly more lightweight when compared to iron frames
OA D
Source: Economist Gmat
A. far more lightweight than iron
B. far more lightweight as are iron frames
C. far more lightweight than are iron frames
D. far more lightweight than iron frames
E. exceedingly more lightweight when compared to iron frames
OA D
Source: Economist Gmat
