A 40-year-old man collapses in the street. He is unresponsive and not breathing normally. As a trained first aider, what is the correct sequence of actions according to UK adult basic life support guidelines?ACall 999, start chest compressions at 30:2 with rescue breaths, and use an AED as soon as availableBCheck for a carotid pulse for 60 seconds before starting compressionsCGive 2 rescue breaths first, then call 999DPlace him in the recovery position and wait for ambulanceEApply oxygen by mask without chest compressionsCheck my answer