Special words used in technical discussion ______.

A．proved to be a point of argument between the countries
B．were identical to one another
C．included an agreement between the nations involved to fight the drug problem
D．were not very specific or

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 oRen interchange their dialects and jargons