A、Disappointment. B、Anger. C、Surprise. D、Worry. C本题的关键是说话人的语调。I did?升调，表明说话人自己对自己考试取得好成绩表示惊奇。故选C。

W: Martin failed his exam again.
M: That is not surprising!
Q: What does the man mean?

M: Carol, you did very well on the test last week.
W: I did ?
Q: What is Carol’s reaction to the news?