Best example of repeated sea level falls giving rise to present-day marshland

The Rann of Kutch is a vast seasonal salt marsh that emerged due to geological uplift and repeated falls in sea level. It was once a shallow arm of the Arabian Sea that gradually dried up, leaving behind an extensive salt-encrusted marshland. The other options are primarily coastal wetlands or estuaries formed by riverine deposition or localized tidal action.

Answer: (d).