0. Which of the following is the largest island?
Among the given options, Sumatra is the largest island by area.
A. Sumatra – Correct. One of the largest islands in the world, part of Indonesia.
B. Madagascar – Incorrect. Large island off Africa, but smaller than Sumatra.
C. Honshu – Incorrect. Largest island of Japan, smaller than Sumatra.
D. Cuba – Incorrect. Caribbean island, significantly smaller than the others listed.