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Angus Maddison’s The World Economy: Historical Statistics includes estimated total market values for the world’s largest economies dating back to 1 CE. This comprehensive resource was first published in        its release, gaps in historical records hindered researchers’ ability to analyze economic trends across centuries.
Which choice completes the text so that it conforms to the conventions of Standard English?
A
2003, revolutionizing the field of economic research, before
B
2003, revolutionizing the field of economic research. Before
C
2003. Revolutionizing the field of economic research before
D
2003, revolutionizing the field of economic research before