While scholars debate the significance of social and economic factors leading to the industrial revolution, there can be

While scholars debate the significance of social and economic factors leading to the industrial revolution, there can be no doubt that technological innovations such as the spinning jenny, the power loom, smelting pig iron with coke in blast furnaces, and the steam engine played a key role.

A. smelting pig iron with coke in blast furnaces
B. the blast furnaces for smelting pig iron with coke
C. the use of blast furnaces in order to smelt pig iron with coke
D. the smelting of pig iron with coke in blast furnaces
E. pig iron being smelt in blast furnaces with coke


OA D

Source: Economist Gmat