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8. A new law gives ownership of patents—documents providing exclusive right to make and sell an invention—to universities, not the government, when those patents result from government-sponsored university research. Administrators at ffice:smarttags" />laceName>LogoslaceName> laceType>UniversitylaceType> plan to sell any patents they acquire to corporations in order to fund programs to improve undergraduate     teaching.
     Which of the following, if true, would cast most doubt on the viability of the college inistrators’ plan described above?
     (A) Profit-making corporations interested in developing products based on patents held by universities are likely to try to serve as exclusive sponsors of ongoing university research projects.
     (B) Corporate sponsors of research in university facilities are entitled to tax credits under new    federal tax-code guidelines.
     (C) Research scientists at laceName>LogoslaceName> laceType>UniversitylaceType> have few or no teaching responsibilities and participate little if at all in the undergraduate programs in their field.
     (D) Government-sponsored research conducted at laceName>LogoslaceName> University for the most part duplicates research already completed by several profit making corporations.
     (E) Logos University is unlikely to attract corporate sponsorship of its scientific research.
A为什么不可以作为答案呢？