In recent years, there has been a marked increase in the number of technical terms in the terminology of ______.

A．a linguist
B．an essayist
C．a scientist
D．an attorney

A．an educated person would be expected to know most technical terms
B．everyone is interested in scientific findings
C．the average man often uses in his own vocabulary what was once technical language not meant for him
D．various professions and occupations often interchange their dialects and j argons