7-year-old man developed the signs of decompensated laryngeal stenosis against the background of acute flegmonous laryngitis. He presents with inspiratory dyspnea at rest, forced position, cyanotic skin covered in cold sweat, tachycardia, deficient pulse, and low blood pressure. What urgent treatment tactics should be chosen? a.Oxygen therapy b.Oral administration of hyposensitization substances and broncholytic c.Administration of glucocorticoid hormones d.Tracheostomy e.Intravenous administration of dehydrating agents