阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
I was 9 years old when I found out my father was ill. It was 1994. but I can remember my mother’s words as if it were yesterday. “Kernel, I don’t want you to take food from your father, because he has AIDS. Be very careful when you are around him. ”
AIDS wasn’t something we talked about in my country when I was growing up. From then on , I knew that this would be a family secret. My parents were not together anymore . and my dad lived alone . For a while , he could take care of himself . But when I was 12. his condition worsened . My father’s other children lived far away, so it fell to me to look after him.
