19. 下列間質性肺病 (Interstitial Lung Diseases),何者呈現肉芽腫 (Granuloma) 病變且致病原因未明? 1.Eosinophilic pneumonia 2.Wegener's granulomatosis 3.Sarcoidosis 4.Hypersensitivity pneumonitis 5.Bronchocentric granulomatosis
(A) 1+3+4
(B) 2+4+5
(C) 2+3+5
(D) 1+4+5
(E) 3+4+5