A junior doctor notices that a colleague regularly omits to check patient identities before blood transfusions, although no harm has yet occurred. According to GMC guidance, what should the junior doctor do first?AIgnore the issue as no harm has occurredBConfront the colleague aggressively in front of patientsCRaise the concern with an appropriate senior or manager following local policyDReport directly to the mediaEImmediately refer the colleague to the policeCheck my answer