GMAT Sentence Correction (SC) | In some types of pine tree, a thick layer of needles, protects the bud

In some types of pine tree,a thick layer of needles, protects the buds form which new growth proceeds; consequently they are able to withstand forest fires relatively well.

A) a thick layer of needles,protects the budsform which new growth proceeds; consequently they are able to withstand forest fires relatively well
B) a thick needle layer protects buds fromwhere new growth proceeds, so that they can withstand forest fires relatively well - Where is used for places
C) a thick layer of needles