In a story, a mail carrier is depressed and isolated. He goes through the motions of delivering the mail but is lonely. One day, he notices that an elderly woman on his mail route appears to need help with her garden, and he stops by after his shift to help her with her weeding. The two become friends over time, and the woman introduces him to many new people in the community, who become his friends. Which two themes does this story most clearly suggest? A. The value of good deeds and the importance of connection B. Self-reliance and the value of the elderly C. The rejection of financial success and the value of spirituality D. Friendship and the difficulties of maintaining social ties​