Correct Answer:
Option A - Dasht-e-Kavir, great salt desert of north-central Iran. located in a basin southeast of the Elburz mountains, it is approximately 240 miles (390 km) wide.
A. Dasht-e-Kavir, great salt desert of north-central Iran. located in a basin southeast of the Elburz mountains, it is approximately 240 miles (390 km) wide.