Read This Excerpt from a Patient's Health Record: "The Patient

Read this excerpt from a patient's health record: "The patient is a 4-month-old with a 3-day history of nasal congestion, rhinorrhea, and a dry cough. He has been wheezing for the past 2 days and his congestion is getting worse. He has had a fever up to 103.4°F. His parents say he has not had any apnea, cyanosis, or dyspnea." Which of the following is a symptom exhibited by the patient?

A) a bluish color in the skin caused by insufficient oxygen
B) a bloody nose
C) cessation of breathing
D) difficulty breathing
E) runny nose