RioFit Received an OSHA Citation and Posted It near the Place

RioFit received an OSHA citation and posted it near the place of the violation for eight days. Why eight days?

A) All citations must be posted for eight days or until the violation is abated; it took eight days or less for the violation to be abated.
B) Any citation that is issued immediately must be posted for eight days.
C) Any citation that is issued later by mail must be posted for eight days.
D) All citations must be posted for three days or until the violation is abated; it took eight days for the violation to be abated.