Consider the tree below. What is the order of nodes visited using an in$-$order traversal?

$14$

$/\backslash$

$211$

$/\backslash /\backslash$

$131030$

$//$

$740$

Question $59$Select one:

a$.$

$12371011143040$

b$.$

$12314710114030$

c$.$

$13271040301114$

d$.$

$14213111073040$