Step 1: Understanding the Concept:
This requires identifying the cause-and-effect relationship between weather events and human activity.
Step 2: Detailed Explanation:
Logical flow of the story:
1. Before it rains, clouds must form. Sentence B: "Dark clouds gathered..."
2. Following the gathering of clouds, the rain starts. Sentence D: "Soon, it began to rain..."
3. After some duration, the weather event concludes. Sentence A: "The rain stopped..."
4. Only after the rain stops do children go back out to play. Sentence C: "Children started playing outside again."
The logical sequence is B-D-A-C.
Step 3: Final Answer:
The correct sequence is BDAC.