Question

catastrophe means :
a sharp strain on muscles or ligaments
a particular environment or walk of life
an untroubled state, free from disturbances
a state of extreme ruin and misfortune

Explanation:

The word "catastrophe" refers to a large - scale and extremely harmful event that causes great destruction and misfortune. The first option describes a muscle or ligament strain, the second is about an environment or way of life, and the third is about a peaceful state. Only the fourth option, a state of extreme ruin and misfortune, matches the meaning of "catastrophe".

Answer:

D. a state of extreme ruin and misfortune