Suppose That We Are Evaluating the Strength of the Following

Multiple Choice

Suppose that we are evaluating the strength of the following argument by analogy.Which similarity between Walter and John would most help to confirm that this is a strong argument? Walter and John are similar.
Walter is a good leader.
John is a go od leader.

A) They are brothers.
B) They are the same age.
C) They have the same hairstyle.
D) They are both excellent swimmers.
E) They are both charismatic.