One Way to Kill a Tree Is to Girdle It

Multiple Choice

One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree.The tree will typically survive that growing season,but will die over the winter.Why wouldn't girdling work on a large grass?

A) Grasses have taproots.
B) Monocots do not have vascular bundles.
C) The vascular bundles are in a ring just under the bark.
D) Eudicots do not have vascular bundles.
E) The vascular bundles are scattered throughout the ground tissue.