From the given map it is clear that the African Ocean is growing wider at a divergent plate boundary. Hence, the correct answer is option B.
A divergent plate boundary in plate tectonics refers to a linear characteristic, which prevails amid the two tectonic plates that are parting away from each other. The divergent boundaries in the center of the ocean donate to the spreading of the seafloor. As plates formed of oceanic crust move away from each other, a crack appears in the floor of the ocean.
