Which of the following is true about the Sierra Nevada Mountain Range (aka "The Sierras")?
A.The Sierras consist of a large batholith that was brought up to the surface via uplift associated with tectonic activity.
B.The Sierra batholith formed when California's western margin was an active convergent boundary where oceanic lithosphere was subducting below continental lithosphere.
C.The Sierra batholith formed when California's western margin was an active transform boundary, just like it is today.
D.Rocks from the Sierras should generally have a phaneritic texture.