In unveiling vast swaths of areas of which they previously had faintly any notion of their existence, much like modern day astronomers, ancient cartographers expanding our awareness of the world we inhabit and providing a basis so that we might reach even further into the unknown.

A. In unveiling vast swaths of areas of which they previously had faintly any notion of their existence, much like modern day astronomers, ancient cartographers
B. Much as modern day astronomers do, ancient cartographers unveiled vast swaths of areas of which they faintly had any notion, thereby
C. Like modern day astronomers, ancient cartographers unveiled vast swaths of areas whose previous existence they faintly had any notion of,
D. Ancient cartographers, much like modern day astronomers, unveiled vast swaths of areas, the existence of which they faintly had any notion of previously, thereby
E. Much as modern day astronomers have, ancient cartographers unveiled vast swaths of areas the existence of which they previously had faintly any notion, thereby


OA B

Source: Magoosh