A child, age 3, is brought to the emergency department in respiratory distress caused by acute epiglottiditis. Which clinical manifestations should the nurse expect to assess ？（）
A．Severe sore throat, drooling, leaning forward to breathe.
B．Low-grade fever, stridor, barking cough.
C．Pulmonary congestion, productive cough, fever.
D．Sore throat, fever, general malaise.