<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 68-year-old man seeks evaluation at an office with a complaint of breathlessness of several months duration. He is able to do his daily tasks, but says that he is not as efficient as before. His breathlessness has been progressive with the recent onset of a dry cough. The past medical history is significant for a cardiac arrhythmia that is being treated with an anti-arrhythmic. He has never smoked cigarettes and is a social drinker. His pulse is 87min and regular and the blood pressure is 13588 mm Hg. Bilateral basal inspiratory crackles are present on auscultation of the chest from the back. A chest X-ray image shows peripheral reticular opacities with a coarse reticular pattern. A high-resolution CT scan of the chest reveals patchy bibasilar reticular opacities. Which of the following medications is most likely responsible for this patients condition?? A: Digoxin, B: Amiodarone, C: Lidocaine, D: Sotalol, E: Verapamil,  <response>: This is a patient case with a history of cardiac arrhythmia being treated with an anti-arrhythmic medication. The patient now presents with progressive breathlessness and dry cough. Imaging shows bibasilar reticular opacities. The question asks which medication the patient is most likely taking that is responsible for his current condition. Based on the history of arrhythmia and anti-arrhythmic use, as well as the imaging findings consistent with drug-induced lung disease, the answer is most likely one of the anti-arrhythmic medications listed. Amiodarone in particular can cause pulmonary toxicity with findings similar to this case.B: Amiodarone 