单选题

　　[阅读选择]Many years passed and the young man was very successful in business. He had a beautiful home and wonderful family， but realized his father was very old， and thought perhaps he should go to him. He had not seen him since that graduation day. Before he could make arrangements to see his father， he received a telegram telling him his father had passed away， and willed all of his possessions to his son. He needed to come home immediately and take care things. When he arrived at his father's house， sudden sadness and regret filled his heart.

　　When the young man arrived home， he felt _________.

　　A.sad

　　B.disappointed

　　C.horrible

　　D.nervous