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

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

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