Rearrange the following sentences to form a coherent paragraph:

1. The fast-growing spread of misleading and false content on social media poses a serious threat to healthy public discussion.
2. This approach involves carefully checking claims, evidence, and sources to judge how accurate a statement really is.
3. This trend can weaken people’s trust in journalism and damage informed choices in a democratic setup.
4. Therefore, professional fact-checking bodies have become an important shield against the rise of fabricated narratives.

The correct option is 1, 3, 4, 2.

Let us analyze the logical connection between each sentence to form a coherent paragraph:

1. Sentence 1 serves as an ideal introductory statement ("The fast-growing spread of misleading and false content on social media poses a serious threat to healthy public discussion.") by introducing the core topic: the problem of false content on social media.

2. Sentence 3 directly elaborates on the consequences of this trend ("This trend can weaken people’s trust in journalism and damage informed choices in a democratic setup."). The phrase "This trend" links directly back to the "fast-growing spread of misleading and false content" introduced in Sentence 1.

3. Sentence 4 proposes a solution/countermeasure to the threat described ("Therefore, professional fact-checking bodies have become an important shield against the rise of fabricated narratives."). The transition word "Therefore" logically connects the problem and its impact to the necessity of fact-checking bodies.

4. Sentence 2 explains how the fact-checking bodies mentioned in Sentence 4 operate ("This approach involves carefully checking claims, evidence, and sources to judge how accurate a statement really is."). The phrase "This approach" refers directly to the work of the professional fact-checking bodies.

Thus, the logical and chronological sequence of sentences is 1, 3, 4, 2.