Consider Five Species of Toads

Consider five species of toads.Species A and B are sister species.Species C and D are also sister species.The clade containing species A and B is a sister to the clade containing species C and D.Which species is most likely to share synapomorphies with species C?

A) Species A
B) Species B
C) Species D
D) Species E
E) All of the above are equally likely to share synapomorphies with species C.