It was the afternoon of December 24, but I had to work. The only thing that brightened my day was the beautifully decorated Christmas tree and a gift—a dozen long-stemmed red ___21___. As I was cleaning my office，a lady urgently needed to talk to me. I noticed a young，___22___ woman with a baby in her arms nervously，she explained that her husband, a prisoner，was my next patient. She told me she wasn"t ___23___to visit her husband in prison and that he had never seen his son. She wished to let the boy"s father sit in the waiting room with her as long as possible ___24___ I called him for his appointment. Since my timetable wasn"t full，I agreed. ___25___ , it was Christmas Eve. A short time later, her husband arrived. The woman"s tired face ___26___ like our little Christmas tree when her husband took a seat beside her. I kept peeling（偷看） out to watch them laugh, cry, and share their child.
　　At the end of the appointment, I wish him a Merry Christmas---a difficult thing to say to a man heading back to prison. He smiled and thanked me. He also said he felt ___27___ by the fact that he hadn"t been able to get his wife anything for Christmas. ___28___hearing this，I was inspired with a wonderful idea.
　　I"ll never forget the ___29___on both their faces as the prisoner gave his wife the beautiful roses.I"m not sure who experienced the most joy-the husband in giving, the wife in receiving，or myself in having the opportunity to share in this special ___30___.
此处选择（）

A. After all

B. In all

C. Above all

D. At all