A 7-year-old boy with known asthma presents with nocturnal cough and wheeze twice a week and uses his Salbutamol inhaler most days. He currently uses Salbutamol as needed only. What is the most appropriate next step in his asthma management?AAdd a regular inhaled low-dose corticosteroidBStart oral Prednisolone 10 mg daily long termCAdd a long-acting beta-agonist without inhaled steroidDNo change is required; this is well-controlled asthmaEStop Salbutamol and start Montelukast aloneCheck my answer