【单选题】A distinguished physician who worked from the 1930s to the 1970s, many new medical techniques, perhaps most notably in the field of epidural steroids, were pioneered by Dr. Marvin Leason.
A.
many new medical techniques, perhaps most notably in the field of epidural steroids, were pioneered by Dr. Marvin Leason
B.
Dr. Marvin Leason notably pioneered many new medical techniques, perhaps most so in the field of epidural steroids
C.
Dr. Marvin Leason pioneered many new medical techniques, perhaps most notably in the field of epidural steroids
D.
the field of epidural steroids was perhaps the most notable of the many new medical techniques pioneered by Dr. Marvin Leason
E.
perhaps most notable among the new medical techniques pioneered by Dr. Marvin Leason were those in the field of epidural steroids