Question

the room which served as a canteen was singularly inconvenient. in this sentence, canteen means: a long usually narrow room used for some specific purpose a common room used for waiting or relaxing in a room where a judge transacts business a room with food sold to personnel at an institution

Explanation:

The word "canteen" commonly refers to a place where food is sold to people in an institution. In the context of the sentence where it is a room, this is the most appropriate meaning.

Answer:

D. a room with food sold to personnel at an institution