单选题 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

【正确答案】 C

【答案解析】[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。