Antonym of ADVERSITY

diversity
affliction
prosperity
catastrophe

The correct answer is C. prosperity.

Adversity is a state of difficulty or misfortune. Prosperity is a state of success or good fortune.

Diversity is the state of being diverse or varied. Affliction is a state of suffering or distress. Catastrophe is a sudden and great misfortune.

In other words, adversity is the opposite of prosperity. It is a state of difficulty or misfortune, while prosperity is a state of success or good fortune.