Select the option that can be used as a one-word substitute for the given group of words.
Hospital for people with mental illnesses

Correct option is C

The correct option to fill in the blank is (c) "asylum."
Explanation: " Asylum" is a place offering shelter and support to people with mental illnesses.
Example: The old hospital was converted into an asylum for those in need.
Meanings of other options:
· Hangar: a large building for housing aircraft.
· Druggist: a pharmacist.
· Shelter: a place giving temporary protection from bad weather or danger.