Correct option is A
The correct synonym of "fatal" is
"deadly."
Fatal: Causing death or disaster; very harmful or severe. (हिंदी: घातक)
Example: The accident proved fatal for the passengers.
Deadly: Likely to cause death; dangerous. (हिंदी: जानलेवा)
Example: This poison is deadly if ingested.
Synonyms: lethal, mortal, disastrous, pernicious.
Antonyms: harmless, safe, beneficial, curative.
Meanings of other options:
·
Additional: Extra or supplementary. (हिंदी: अतिरिक्त)
·
Jovial: Cheerful and friendly. (हिंदी: हंसमुख)
·
Easy: Simple, not difficult. (हिंदी: आसान)