thE pAssAgE mEntions All oF thE Following stAtEmEnts ExCEpt thAt ______.
A．vArious FunCtions ArE involvED in thE work oF A puBliC rElAtions prACtitionEr
B．thE puBliC' rElAtions ACtivitiEs plAy A vEry importAnt rolE in thE politiCAl liFE
C．thE EntErtAinmEnt worlD AttAChEs grEAt importAnCE to puBliC rElAtions ACtivitiEs
D．thE FiElD oF puBliC rElAtions mAy CovEr promotionAl ACtivitiEs AnD prEss ConFErEnCE