Correct Answer : Option (D) - Ganges-Brahmaputra, India/ Bangladesh
This Envisat image highlights the Ganges Delta, the world's largest delta, in the south Asia area of Bangladesh (visible) and India. The delta plain, about 350-km wide along the Bay of Bengal, is formed by the confluence of the rivers Ganges, the Brahmaputra and Meghna.
The Ganges, Brahmaputra delta covers an area of about 75000 sq km.