Which of the following statements is true about a phylogeny, as represented by a phylogenetic tree?

A) A monophyletic group can be properly based on convergent features in addition to synapomorphies.
B) Descendant groups branches) from the same node do not necessarily share any derived characters.
C) The outgroup has mostly ancestral traits relative to the rest of the branches.
D) All of the above answers are correct.
E) None of the above answers are correct.