How was the Olympic Peninsula formed? A. By subduction, which resulted in an excessive amount of volcanic activity.

B. Through volcanic activity off the coast of Washington that led to the build up of Pacific Plates.

C. When a large chunk of the Ocean floor was lifted up and attached to Washington's coastline

D. When shifting plates caused a large section of land to break away from Washington's coast

PLEASE HELP!!

i think the answer is a

They extend across the Olympic Peninsula south of the Juan de Fuca Strait and west of Puget Sound in northwestern Washington, U.S. The mountains began to form about 35 million years ago when the Juan de Fuca Plate collided with and was forced under (subducted) the North American Plate, scraping off vast quantities of rock onto the continent as it went underneath. Over time the rock was sculpted by streams and glaciers, creating valleys, lakes, and rugged peaks.

d will be ur answer

to mark sum 1 brainliest there has to be 2 answer at least