4. Liz was _____ at the way she had been ill-treated at work by other colleagues so that she wrote a letter
of complaint to her supervisor.
(A)inviolable (B) intuitive (C) indignant (D) inherent
(A)inviolable-never to be broken (B) intuitive-being able to sense /understand with little/noo information (C) indignant-angry because of sth unfair (D) inherent-born with