Concept: Hadith 4 of An-Nawawi's collection deals with the stages of human creation inside the mother's womb.
Explanation:The hadith describes how a person is formed in the womb over three forty-day periods.
First, he is a drop of fluid, then a clot, and then a chewed-like lump.
After that, an angel is sent to breathe the spirit into him and record his provision, lifespan, deeds, and final destiny.
This shows that the complete subject of the hadith is the nature of man's creation, not the movement of the sun, earth, or oceans.
Answer: A. nature of man's creation