(A) Attock oil refinery
(B) Pak-Arab oil refinery
(C) Pak-China oil refinery
(D) None of these
🧠 Explanation:
Pak-Arab Oil Refinery is Pakistan’s largest, located in Karachi. Studied in economics, it processes oil for fuel. It’s important for energy supply, supporting Pakistan’s industries and economy, and inspiring studies on resource management and industrial growth.
