Step 1: Understanding each climatic type.
- Clima continental → Found in interior regions like Madrid, characterized by hot summers and cold winters.
- Clima subtropical → Found in islands like Islas Canarias, with warm weather year-round.
- Clima oceánico → Found in Galicia, influenced by the Atlantic Ocean, leading to humid conditions.
- Clima mediterráneo → Found in Valencia, characterized by dry summers and mild, wet winters.
Step 2: Match accordingly.
A-III, B-I, C-IV, D-II.
Step 3: Verify accuracy.
All regions correspond correctly with their climatic zones.
Step 4: Conclusion.
Hence, the correct option is (2) A-III, B-I, C-IV, D-II.