Select the option that can be used as a one-word substitute for the given group of words.
A small island

Correct option is A

Option (a) ‘Islet’ is the correct answer which means a small island.
· Meaning of the given words:
· Lagoon refers to a shallow body of water separated from a larger body of water by sandbanks, coral reefs, or similar features.
· Closet means a small room or cupboard used for storing things, especially clothes.
· ‘Isthmus’ is a narrow strip of land with sea on either side, forming a link between two larger areas of land.