Use evidence from the fact that if a tree falls then that tree is dead to answer the following question. Choose from options. "A tree is dead"

Select from the following.
(a). when a raccoon scurries up it's trunk.
(b). when a beaver uses it to a stop up a flowing river.
(c). when a possum hides in its branches.
(d). when an owl lives in it.
(b).