Though sometimes（）, all too often technology is seen as a（）for the great economic, social, and political challenges facing the nation as it embarks on the path of modernization.

A．refuting a belief held by one school of linguistics
B．reviewing an interesting feature of language
C．illustrating the confusion that can result from the improper use of language
D．suggesting a way in which languages can be made more nearly perfect
E．surveying new interesting areas of research in the field of linguistics

A．static
B．noble
C．protean
D．documented
E．inconsistent