A. Iran
B. Uzbekistan
C. Iraq
D. China
🧠 Explanation:
Pakistan shares its shortest international boundary, about 523 kilometers, with China. This fact is a key topic in geography, engaging students and researchers. Understanding this border clarifies Pakistan’s geopolitical relations, relevant for studying regional dynamics. Its brevity attracts those exploring international boundaries, highlighting its role in strengthening China-Pakistan ties, emphasizing its significance in trade and strategic partnerships like CPEC, fostering regional cooperation.
