Step 1: Pottery Firing Temperature Requirements.
- Terracotta: Low firing range, 600-800°C (Option III).
- Earthenware: High firing range, 1220-1400°C (Option II).
- Stoneware: Mid-range firing, 1040-1150°C (Option IV).
- Porcelain: High firing range, 1180-1300°C (Option I).
Step 2: Final Matching.
Therefore, the correct pairings are (A) - (III), (B) - (II), (C) - (I), and (D) - (IV).