Answer :
The lines show the a)mistrust.
Why?
The lines are indicating that someone’s past is unknown. In addition, it is also indicating that their own past is also unknown. Unknown is a synonym of mistrust. When you do not know something, you cannot trust it.
Why?
The lines are indicating that someone’s past is unknown. In addition, it is also indicating that their own past is also unknown. Unknown is a synonym of mistrust. When you do not know something, you cannot trust it.