Answer:
It starts in the mind if you feel that you have low self esteem or feel something than its actually gonna happen because your mind id processing that and you start producing that thought.
Explanation:
They carried our parents and us down the trail.
After verbs use the indirect object 'us'
So,the correct answer is (d)
If you're asking which symbol would have this effect, it would be The medical kit, because you would need to be prepared for the emergency.