Concept:Anonymity is the civil service principle that keeps individual officers out of the public spotlight.Explanation:Civil servants must not speak to the press or make public statements without official permission.This rule ensures that personal opinions or private identities do not influence public administration.Public credit and criticism go to the minister or the government, not to the individual officer.By staying anonymous, officers avoid political pressure and personal recognition.Thus, the specific characteristic described is anonymity.Answer:C. anonymity