【单选题】Nobel Prize Winners of Oxford and CambridgeThe universities of Oxford and Cambridge are both known for their Nobel laureates – Oxford has 69 and Cambridge has an astonishing 118, more than any other u...
A.
Discovering the structure of vitamin B12 and later insulin.
B.
Confirming the structure of penicillin.
C.
Confirming the structure of artemisinin.
D.
R efinement of the technique of X-ray crystallography.