A68=year-oldman，withchroniccoughandsputumproductionfor17years，hadfeltaprogressivedyspneaslnce3years.HischestX-rayfilmshowedoverinflationoflungsanddescendeddiaphragms.Theperipheralvasculatureofthelungswasdiminished.Whichdis-easethepatientsufferedfrommostpossibly（）
- A、Pulmonaryemphysema
- B、Chronicpulmonaryheartdisease
- C、Pulmonaryarterialhypertension
- D、Asthma
- E、Bronchoectasis
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