Can someone explain why the original sentence isn't parallel. I don't understand the MGMAT explanation:

Researchers have discovered a new species of sparrow that lives only in cypress groves, almost wholly dependent on the berries of a certain type of vine that grows on cypress trees and whose coloring is completely different from all other sparrows.

A) that lives only in cypress groves, almost wholly dependent on the berries of a certain type of vine that grows in cypress trees and whose coloring is completely different from
B) that lives only in cypress groves, is almost wholly dependent on the berries of a certain type of vine that grows on cypress trees, and has coloring completely different from that of
C)living only in cypress groves, is almost wholly dependent on the berries of a certain type of vine that grows on cypress trees, and whose coloring is completely different from
D)that lives only in cypress groves, almost wholly dependent on the berries of a certain type of vine that grows on cypress trees, and whose coloring is completely different from that of
E)living only in cypress groves, depending almost wholly on the berries of a certain type of vine that grows on cypress trees, and having coloring completely different than