Sentence Correction

The success of the first landing on the moon emboldened some scientists to claim that a Mars landing was imminent, vastly underestimating the difficulties entailed in such a feat.

A) The success of the first landing on the moon emboldened some scientists to claim that a Mars landing was imminent, vastly underestimating the difficulties entailed in such a feat.
B) Scientists, in vastly underestimating the difficulties of a Mars landing, were emboldened by the first moon landing to claim that such a feat was imminent.
C) The first moon landing success emboldened some scientists to claim that a Mars landing was imminent, but the difficulties entailed in such a feat were underestimated
D) Vastly underestimating the difficulties entailed in a Mars landing, scientists were emboldened by the moon landing to make such claims.
E) Emboldened by the success of the first moon landing, some scientists claimed that a Mars landing was imminent, vastly underestimating the difficulties such a feat entails.


OA E

Source: Magoosh