Correct Answer: DABC

Solution : The correct order is the third option: DABC .

Explanation:

• Part D introduces the main idea that democracy is always slow-growing.
• Part A adds more detail, stating that dictators may rise to power and inaugurate a new regime with dramatic suddenness.
• Part B follows by introducing the idea of success under suitable conditions.
• Part C concludes the sentence by linking success under suitable conditions to dictators' rise to power, forming a logical sequence in the sentence.

So, the correct sentence would be: "Democracy is always a slow growth, but dictators may rise to power and inaugurate a new regime with dramatic suddenness, finding success under suitable conditions."