onsider the following tree. Which sequence is the result of an postorder traversal?

a

$/\backslash$

b j

$/\backslash /\backslash$

d e f g

$///\backslash$

h i c k

Question $7$Select one:

a$.$

kgcjfeibdha

b$.$

hdiebckfgja

c$.$

abdehijgck

d$.$

kigfjehcdba