(1) James D. Watson studied biology as a graduate student at Indiana University, but the
scientists there inspired him to pursue the fields of genetics and biochemistry instead.
(2) In Copenhagen, he conducted research on DNA for his postdoctoral studies but became
discouraged due to his lack of success. (3) After hearing a speech by Maurice Wilkins,
Watson renewed his interest in DNA and then collaborated in England with a biologist
named Francis Crick to research and study the structure of the DNA molecule. (4) Rosalind
Franklin's X-ray images of DNA helped Watson, Crick, and Wilkins earn the Nobel Prize
in 1962.
TH
How should the paragraph be revised?
A. Sentence 1: Change genetics and biochemistry to genetics.
B. Sentence 2: Change postdoctoral studies to studies.
C. Sentence 3: Change research and study to research.
D. Sentence 4: Change Nobel Prize in 1962 to Nobel Prize.