Answer: Option [D]Duncan Passage is situated between South Andaman and Little Andaman. Duncan Passage is a strait in the Bay of Bengal. It is about 48 km (30 mi) wide; it separates Rutland Island (part of Great Andaman and South Andaman administrative division) to the north, and Little Andaman to the south. West of Duncan Passage is the Bay of Bengal; east is the Andaman Sea.