A 68-year-old man with advanced lung cancer has severe continuous pain not controlled by regular Paracetamol and Ibuprofen. He is opioid naïve. According to NICE and palliative care guidance, what is the most appropriate next step?AStart Fentanyl transdermal patchBStart regular oral modified-release Morphine with immediate-release Morphine for breakthrough painCStart Codeine phosphate onlyDUse Tramadol as sole strong analgesicEAvoid opioids and increase NSAID doseCheck my answer