Alongside Petra and the Great Wall of China as one of the seven wonders of the modern world,
the Taj Mahal, which was constructed to memorialize Mumtaz Mahal, the third wife of emperor Shah Jahan, after her passing took more than 12 years of thousands of engineers' labor to build.
A. the Taj Mahal, which was constructed to memorialize Mumtaz Mahal, the third wife of emperor Shah Jahan, after her passing took more than 12 years of thousands of engineers' labor to build
B. Mumtaz Mahal, the third wife of emperor Shah Jahan, was memorialized after her passing by the Taj Mahal, which thousands of engineers who labored more than 12 years to build it
C. it took thousands of engineers more than 12 years to build the Taj Mahal to memorialize Mumtaz Mahal, the third wife of emperor Shah Jahan, after her passing
D. thousands of engineers labored more than 12 years to build the Taj Mahal to memorialize Mumtaz Mahal, the third wife of emperor Shah Jahan, after her passing
E. more than 12 years were needed to build the Taj Mahal, which thousands of engineers labored at to memorialize Mumtaz Mahal, the third wife of emperor Shah Jahan, after her passing