Concept:Salatul-Kusuf is a special prayer that Muslims perform at the time of an eclipse.
Explanation:This prayer is a Nafl (non-obligatory) act of worship.
It consists of two rakats and is offered in congregation.
The word Kusuf is specifically connected to a solar eclipse, while Khusuf is used for a lunar eclipse.
Still, the general term Salatul-Kusuf refers to the eclipse prayer.
It is not performed during drought, before burying a corpse, or when beginning a journey.
These actions have other recommended prayers or supplications in Islam.
Thus, the correct occasion for Salatul-Kusuf is during an eclipse.
Answer:B. during an eclipse