Source : GMAT prep
In an area devoid of volcanic activity, a discovery has been made by a team of scientists from the University of California that a fragment of the Swiss Alps seems like it came from a depth as far down as 415 miles.
(A) discovery has been made by a team of scientists from the University of California that a fragment of the Swiss Alps seems like it came from a depth as far down
(B) discovery was made by a team of scientists from the University of California who found a fragment of the Swiss Alps that seems like it had come from a depth of as much
(C) team of scientists from the University of California have discovered a fragment of the Swiss Alps that has seemingly come from a depth of as great
(D) team of scientists from the University of California has discovered a fragment of the Swiss Alps that seems to have come from a depth as great
(E) team of scientists from the University of California has made the discovery of a fragment of the Swiss Alps that had seemingly come from a depth as far
OA - D