why do warm ocean currents begin at the equator?

Question

A. the volcanic activity at the equator heats up the water
B. the equator receives more direct and intense sunlight, warming the water
C. there is a concentration of magma rising at the equator
D. heat rises from the southern pole and is warmest in the middle of the globe

Answer 1

B. the equator receives more direct and intense sunlight, warming the water