Select the option that can be used as a one-word substitute for the given group of words.
A huge building with a spacious area to house aircrafts.

Correct option is C

A hangar is a huge building with a spacious area that is specifically designed to house and store aircraft. Therefore, option (c) is the most appropriate one-word substitute for the given group of words.
· The other options can be defined as follows:
· Airport: a complex of runways and buildings for the takeoff, landing, and maintenance of civil aircraft, with facilities for passengers.
· Hanger: a large, curved metal or plastic piece that is used to hang and store clothes in a closet. This word is spelled with one 'a' and is pronounced differently from "hangar".
· House: a building for human habitation, especially one that is lived in by a family or small group of people.