C because if you are trying to justify you need “reasons” why
Salt used to be very rare and valuable back then. But now a days you can get it any where and its really cheap.
Regret,
unhappiness,
sadness,
ruefulness,
grief,
sorrow,
gloominess,
mournfulness,
lugubriousness,
sorrowfulness,
rue,
ruthfulness.
Antonyms: happiness.