单选题 Betty: What were you upset about?
Smith: It's a private matter.
Betty: Why won't you tell me?
Smith:______
Betty: Well, I hope you can.
A. Don't worry. B. I don't want to say it.
C. You can't be interested in it. D. I can deal with it myself.

【正确答案】 D
【答案解析】由前两句可知史密斯并不想告诉贝蒂发生了什么事。由贝蒂的回答可知只有D项“我自己能解决”符合语意。