Which of the following best explains the cooler climate of some areas of East Africa?

A:East Africa often experiences more snow storms than other parts of the region so it is
cooler.
B:East Africa's location on the equator and differences in elevation influence the climate
and makes some areas cooler
C:East Africa is closer to the north pole so many areas are naturally cooler than areas
closer to the desert areas
D:The rainy season in East Africa cools down the region, by generating more winds and
moist air, thus cooling off the land

HELP ME PLEASE!