Among the options provided, the healthiest way to cope with grief is represented by Kelly's situation:
"It was pretty hard, but Kelly just listened when her Grandma kept talking about her Grandpa after he died."
This response demonstrates active empathy and support. Listening to someone express their grief and memories can be a crucial part of the healing process for both the grieving person and the listener. It allows for emotional expression and validation, which are important elements of coping with loss.
In contrast, the other examples (Lisa avoiding the hospital, Pete leaving the room during a difficult conversation, and Lance not inviting Andy over with the intention of giving him space) indicate avoidance or withdrawal, which can hinder the grieving process.