It’s C. Action of convergent plate boundaries
If he lives near or on the Equator, he would experience summer. If he lived far from the Equator, it would be winter.
1. Invasions by Barbarian tribes. The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders.
I only know one reson sorry!