Why are the pines in Mount Huangshan strange?

A、 Because pines in Mount Huangshan grow up from rich soilinstead of hard granite.
B、 Because pines in Mount Huangshan grow up from hard granite instead of rich soil.
C、 Because pines in Mount Huangshan grow up from deep waterinstead of rich soil.
D、 Because pines in Mount Huangshan grow up from deep waterinstead of hard granite.