Correct option is C
Continue- persist in an activity or process.
Synonyms: persisted, maintained, prolonged, sustained.
Antonyms: ceased, discontinued, interrupted, stopped.
Meanings of all the options given:
(a) Ongoing - refers to something that is continuing or in progress.
(b) Played - refers to something that is performed or executed, typically a game or a sport.
(c) Stopped - refers to something that has come to a halt or has been discontinued.
(d) Disregarded - refers to something that