Answer- B. Child is suffering from pneumoniaPneumonia:The World Health Organization has defined pneumonia in children clinically based on either a cough or difficulty breathing and a rapid respiratory rate, chest indrawing, or a decreased level of consciousness.A rapid respiratory rate is defined as >60 breaths/minute in children <2 months old, 50 breaths/minute in children 2 months to 1 year old, or >40 breaths/minute in children 1 to 5 years old.