A 30-year-old man is brought to ED after a high-speed crash. He is unconscious with suspected cervical spine injury. What is the most appropriate approach to his cervical spine while assessment is ongoing?AAllow the neck to move freely to avoid discomfortBUse manual in-line stabilisation and maintain immobilisation until the spine is clearedCApply a soft collar only and allow mobilisingDAvoid any imaging unless neurological signs developEFlex the neck slightly to improve airway alignmentCheck my answer