You are answering a USMLE-style medical question. Question: A 48-year-old man seeks evaluation at a clinic with a complaint of breathlessness for the past couple of weeks. He says that he finds it difficult to walk a few blocks and has to rest. He also complains of a cough for the past 3 months, which is dry and hacking in nature. The medical history is relevant for an idiopathic arrhythmia for which he takes amiodarone daily. He is a non-smoker and does not drink alcohol. He denies any use of illicit drugs. The vital signs are as follows: heart rate 98/min, respiratory rate 16/min, temperature 37.6°C (99.68°F), and blood pressure 132/70 mm Hg. The physical examination is significant for inspiratory crackles over the lung bases. An echocardiogram shows a normal ejection fraction. A chest radiograph is performed and shown below. Which of the following findings will most likely be noted on spirometry? Options: A) Decreased FEV1 and normal FVC B) Decreased FEV1 and FVC with decreased FEV1/FVC ratio C) Decreased FEV1 and FVC with normal FEV1/FVC ratio D) Increased FEV1 and FVC Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.