Phylogeny question

What is the best phylogeny tree for the characteristic's table bellow:

	Characteristics
Person	c1	c2	c3	c4	c5	c6
A	0	0	0	1	1	0
B	1	1	0	0	0	0
C	0	0	0	1	1	1
D	1	0	1	0	0	0
E	0	0	0	1	0	0

(Consider that a named edge means that the characteristic changed)

a) 

b)

c)

d)

e) None of the above

Author: Felipe Holanda

Translated by: Rafael Padilha