GMAT Sentence Correction (SC) | Re: The leakeys discovered Homo habilis, the first tool user

The Leakeys discoveredHomo habilis, the first tool user, with two teeth found at Olduvai Gorge in Tanzania.

A. Homo habilis, the first tool user,with two teeth found
B. Homo habilis, the first tool user,with teeth that were found
C. When teeth of Homo habilis , the first tool user, were found
D. Homo habilis,due to two teeth found of the first tool user
E.Homo habilis, the first tool user, when two teeth were found