A fundamental tenet of modern quality management holds that quality is most likely to be achieved by ______ .

A) planning it into the project
B) developing careful mechanisms to inspect for quality
C) striving to do the best job possible
D) conducting quality circle activities

旅游信息技术应用中的GDS指（）。

A．计算机预订系统

B．全球销售系统

C．旅游信息系统

D．旅游目的地信息系统