Two major reasons have caused this ______: lack of interaction and communication with the business world, and missing skills among the players in the industrial community to push the desired development to realize a reasonable number of fully commercial activities.

单项选择题We will show how the International Olympics have commercialized internationally, and are financed from corporate and private sponsorships and how this funding scenario can be used to fund new projects.（）

A．within
B．into
C．through
D．than

单项选择题Professionals involving in such development should have a unique sense of innovation, the ability to assimilate new information, outstanding development skills and a striving sense of international cooperation.（）

A．involved to
B．involved as
C．involving as
D．involved in