Which is the largest Archipelago in the world?
Indonesia is the largest archipelago with the fourth population country in the world. It consists of five main islands Sumatra, Java, Kalimantan, Sulawesi and Papua. It has a total of 17508 islands out of which 6000 are inhabited. It stretches 5,150 km between the Australian and Asian continental mainland. It divides the Pacific and Indian Oceans at the Equator.
So the correct answer is Indonesia. Thus option A is correct. Other options are irrelevant.