A Subduction Zone Provides an Environment That Affects the Types

A subduction zone provides an environment that affects the types of volcanoes that develop there because ____.

A) the subducting slab is subjected to high pressure
B) the continental slab is composed of denser material than the subducting slab
C) the magma will reach the surface more quickly
D) the subducting crust is high in silicates
E) there is a high water content in the rock of the subducting slab