问题
单项选择题
Public relations practice is the deliberate , planned and sustained effort to establish and maintain mutual understanding between an organization and its public.
A．complete
B．related
C．intentional
D．active
答案
参考答案：C
解析：形容词辨析。deliberate深思熟虑的，故意的；A．complete全部的，完成的；B．related叙述的，相关的；C．intentional有意图的，故意的；D．active积极的，主动的；因此选项C为答案。