In the Last 5

In the last 5.5 million years,rifting action has torn Baja California and California west of the San Andreas fault (including San Diego,Los Angeles,and Santa Cruz) from the ______________.

A) Pacific plate and piggybacked them onto the Juan de Fuca plate
B) Pacific plate and piggybacked them onto the North American plate
C) North American plate and piggybacked them onto the Juan de Fuca plate
D) North American plate and piggybacked them onto the Pacific plate
E) Nazca Plate and piggybacked them onto the Cocos plate