Anew volcano is discovered. what type of plate interaction is the most likely cause of the volcano?

the type of plate interaction that is the most likely cause of the Volcano is : a seafloors plate moved under a continental plate and melted into magma, which produces a volcano The movement of the seafloor plate caused the earth to move upwards along with the magma and end up as a mountain with a high amount of magma.

The answer is d if you are on edgenuity. 

Answermost of the time it would be ground into fine sediment,and sometimes they are carried away from the original location;