Concept:Suratul Zalzalah stresses the events of the Day of Judgement, when the earth will be shaken violently.
Explanation:The surah opens by describing a great earthquake that will rock the earth on the Last Day.
It tells us that the earth will cast out its heavy burdens and empty all that is within it.
The earth will then bear witness to every deed that mankind performed upon it.
People will rise in scattered groups to receive the reward or punishment for their actions, even for good or evil as small as an atom.
These details clearly show that the central theme of Suratul Zalzalah is the Day of Judgement.
Day break simply refers to the beginning of a new morning, so it is not the focus here.
Day of Arafah is a specific day observed during the Hajj pilgrimage, and night of power refers to Laylatul Qadr in Ramadan.
None of these other options matches the message of the surah.
Answer:B. day of judgement.