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举一反三
【单选题】In recent years, we have all watched the increasing commercialization of the campus. The numerous advertising, posters and the golden arches of fast food outlets may be an affront (侮辱) to our aestheti...
A.
she worked for the rival of the company
B.
she failed to keep her research results secret
C.
she was obliged to keep her discoveries secret
D.
she was committed to a contract with a company