SAT English Practice Question

When people think of the word "serendipity," they often think of unexpected discoveries, like the accidental invention of penicillin, or the finding of a rare and beautiful object. The word "serendipity" is now widely used in both academic and casual conversations, with many people using the term to describe a lucky or fortunate event, even if it isn’t as monumental as an invention or discovery. What is the main idea of this passage?

1. A.The word "serendipity" was once used only to describe a lucky or fortunate event, but it has now been extended to include unexpected discoveries.
2. B.The word "serendipity" has evolved to encompass both expected and unexpected discoveries, but it’s no longer used in casual conversations.
3. C.The word "serendipity" is often used to describe a lucky or fortunate event, but it is no longer limited to monumental events like inventions and discoveries.
4. D.The word "serendipity" has been used to describe accidental inventions and discoveries for many years, but it has only recently become popular in casual conversations.