Correct option is A
The correct synonym of the given word is (a) Minor.
Trivial: Meaning of the given word: of little value or importance.
Synonyms:
Minor, insignificant, unimportant, petty.
Antonyms: Important, significant, crucial, vital.
Meanings of all options:
·
Minor: Lesser in importance, seriousness, or significance.
·
Fatal: Causing death.
·
Decisive: Settling an issue; producing a definite result.
·
Formal: Following rules or customs, often in an exact and proper way.