A．the general public is too naive to accept the "privatization"
B．the notion that "the customer is always right" is out of date
C．it is a general trend that there will be more public disclosure of privately funded research
D．the bovine spongiform encephalopathy epidemic in Britain was more serious than what was disclosed

A．a ladder of social status determined by his mastery of a certain language
B．created with the native speaker of a dominant language on the top
C．formed with the non-native speaker of a dominant language in the middle
D．all of the above