All of the Following Are True of Phylogenetic Trees,EXCEPT

All of the following are true of phylogenetic trees,EXCEPT

A) more primitive species are near the bottom,whereas more modern species are at the tips.
B) a node represents the last common ancestor of the species above that point in the tree.
C) phylogenetic trees show the evolutionary relationships among species.
D) DNA evidence has been very useful in determining relationships among species.
E) extinct species are never included in phylogenetic trees.