What Is the Definition of Subduction Erosion

What is the definition of subduction erosion?

A) Sediments from the ocean floor are scraped off a subducting tectonic plate and adhere to the overriding plate.
B) Diverging tectonic plates will cause rocks to slide downward along normal faults.
C) Glaciers extending off the continent will scour deep grooves in continental shelves.
D) Sediment and rock are scraped off the bottom of an overriding plate and transported into the mantle by a descending plate.