Match the followings:
| A. Chronic Obstructive Pulmonary Disease | I. A group of progressive lung diseases that obstruct airflow |
| B. Asthma | II. A chronic inflammatory condition of the airways that causes episodes of wheezing, breathlessness |
| C. Chronic Bronchitis | III. A type of COPD characterized by a chronic productive cough with mucus production |
| D. Emphysema | IV. A type of COPD characterized by damage to the alveoli |
1
A-I, B-II, C-III, D-IV
2
A-II, B-I, C-IV, D-III
3
A-I, B-IV, C-II, D-I
4
A-IV, B-III, C-II, D-I