C)确实没有在文章中提到。因为cooperative alliance只是travel agencies中某一个对策,而且其中提到了this agency adopted a unique structure for globalization说明这个方法并不是被普遍采用的。
再看E),主要的依据来自文章中这句话changes that included dramatic growth in the corporate demand for travel services, as well as extensive restructuring and consolidation within the travel industry。其中的extensive restructuring and consolidation是广泛的重组及整合的意思。E)符合这层意思。