Q: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
[header] How to treat asthma in pediatric patients [title] Assess the severity of your child's symptoms during an attack. [step] Have your child inhale as deeply as they can and close their lips tightly around the meter's mouthpiece. They should then blow out as hard and quickly as possible. <sep> (A) This will allow the victim of the attack to determine if his or her airway is operable. [substeps] If your child has symptoms that gradually increase and then decrease as they respond to antibiotic medication, the patient is in a hospital. (B) Symptoms of asthma in babies include : [substeps] Increased shortness of breath increase in temperature, with very elevated blood pressure increased heart rate, mucus in the mouth and blemishes that occur on the stomach. These may occur within 4-9 days of treatment. (C) The patient should hold the meter close to their face for about two minutes after blowing and then quickly close their mouth and release the meter. A child's inhalation should not be as labored as a child's. (D) [substeps] A peak flow meter is a device that measures air flow from the lungs. Your child should use their peak flow meter when they're not experiencing symptoms to establish their normal range.
A:
D