A 7-year-old boy with a history of moderate persistent asthma has been well controlled for 6 months on regular inhaled corticosteroid. According to Australian asthma guidelines, what should be considered regarding his preventer therapy?AContinue current dose indefinitely without reviewBStep up preventer dose to prevent future attacksCConsider stepping down preventer dose gradually while monitoring controlDStop all preventer medication abruptlyESwitch to oral steroids dailyCheck my answer