Given below are four jumbled sentences. Out of the given options pick the one that gives their correct order.
A. The town of Lustenau in Austria claims to have built a world record-breaking bonfire.
B. The structure took three months to build but collapsed in less than half an hour last Saturday evening.
C. Embers from the big fire fell onto nearby market traders, but local fire crews were on hand to make sure that everyone was safe.
D. According to the organizers, the pyre reached as high as 60 meters.

Correct option is B

Option (b) is the correct order of the given sentences.
Explanation: Logical flow and sentence function:
· A introduces the main idea about the bonfire. (Subject: introduction)
· D provides supporting data about the height of the pyre. (Details: height of structure)
· B gives information about construction and collapse. (Time/event transition)
· C describes the consequences and safety measures. (Conclusion/result)
Hence, the order A-D-B-C makes the paragraph coherent and sequential.