A 58-year-old man collapses in the hospital corridor. He is unresponsive and not breathing normally. According to Resuscitation Council UK adult basic life support guidance, what is the single most appropriate immediate action?ACheck his carotid pulse for 30 seconds before starting chest compressions.BGive 5 rescue breaths before any chest compressions.CStart chest compressions at a rate of 100–120 per minute with a ratio of 30 compressions to 2 ventilations.DRun to fetch the crash trolley before doing anything else.EPlace him in the recovery position and wait for help as he is in probable respiratory arrest only.Check my answer