Step 1: Understanding Pottery Firing Temperatures.
- Terracotta: Requires a low firing temperature, around 600-800°C (Option III).
- Earthenware: Needs higher firing temperatures, typically between 1220-1400°C (Option II).
- Stoneware: Requires mid-range temperatures between 1040-1150°C (Option IV).
- Porcelain: Requires high firing temperatures, generally 1180-1300°C (Option I).
Step 2: Conclusion.
Thus, the correct matching is (A) - (III), (B) - (II), (C) - (I), (D) - (IV).