Mark, an officer in the American army, is specially trained to provide background information and ...

Mark, an officer in the American army, is specially trained to provide background information and accompany the journalists who report on army operations on the warfront.
 
  During one of these occasions, Mark realized that since the lives of the soldiers on the warfront are always at risk, the dissemination of information through the media should be cautiously managed.
  What role Mark is playing?
   a) Public affairs officer
   b) Redevelopment personnel officer
 
   c) Public information officer
   d) Army recruiting officer