This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'A 40 yr female progressive dyspnoea from 1 yr. She also has b/I bibasilar end inspiratpory crepitation.True statement are :a) May be assocated with connective tissue diseaseb) Residual volume ↑edc) ↑ Total Lung Capacityd) HRCT is useful diagontic teste) FEV1 1/FVC ratio ↑ed \nSelect and explain. \nA. acd, B. ade, C. abd, D. ad', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]