Which of the following is a central idea of the text?

heyya.

Central idea is also known as main idea.Main idea in a piece of writing is the point that the author wants you to remember most. Some writers may state the main idea, but it is often implied, which means the reader has to make inferences  about it.

citizens are given 25 years of life to prove their worth to society; if they fail to do great things

the answer is industry