Thick Blocks of Crust Carried Toward a Subduction Zone ________

Multiple Choice

Thick blocks of crust carried toward a subduction zone ________.

A) can get sliced off the descending slab and transferred to the accretionary continental margin as an accreted terrane
B) cause the subduction zone to stop or reverse and begin subducting the other way
C) get eroded, contributing a greater than usual volume of sediments to the trench at that point
D) get uplifted to become an island on the oceanward side of the trench