PRECARIOUS

A. Cautious

B. Critical

C. Perilous

D. Brittle

Answer: Option C

Solution(By Examveda Team)

Cautious : (of a person) careful to avoid potential problems or dangers.
Critical : expressing adverse or disapproving comments or judgements.
Perilous : full of danger or risk.
Brittle : hard but liable to break easily.
Precarious : not securely held or in position; dangerously likely to fall or collapse.


Synonym of Precarious is Perilous