<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 60-year-old man comes to the emergency department because of a 3-day history of fever and shortness of breath. He has a history of COPD treated with inhaled albuterol. His temperature is 39.0C 102.2F, pulse is 95min, respirations are 20min, and blood pressure is 13080 mm Hg. Cardiopulmonary examination shows decreased breath sounds and poor air movement over the left lung. A lateral decubitus x-ray of the chest shows a pleural effusion height of 2 cm. Thoracentesis is performed and pleural fluid analysis shows a protein concentration of 4.0 gdL and LDH of 80 UL. Which of the following is the most likely underlying cause of this patients effusion?? A: Impaired lymphatic flow, B: Increased pulmonary capillary permeability, C: Increased pulmonary capillary pressure, D: Decreased intrapleural pressure, E: Decreased plasma oncotic pressure,  <response>: This is a clinical vignette describing a 60-year-old man with COPD who presents with fever, shortness of breath, and a pleural effusion. The key findings are:- History of COPD- Fever - Shortness of breath- Pleural effusion on chest x-ray- Thoracentesis shows exudative effusion high protein, low LDHBased on the clinical presentation and pleural fluid analysis, the most likely cause of the effusion is an infectious or inflammatory process leading to increased capillary permeability. The high protein and low LDH make this an exudative effusion, ruling out decreased oncotic or hydrostatic pressure as potential causes. There are no indications of impaired lymphatic drainage or decreased intrapleural pressure. B: Increased pulmonary capillary permeability 