问题补充：
—Bruce was killed in a traffic accident.
— I talked with him yesterday morning!
A. What a pity!
B. I beg your pardon?
C. Sorry to hear that.
D. Is that so?
答案：
A. What a pity!
B. I beg your pardon?
C. Sorry to hear that.
(答案→)D. Is that so?
解析：选D。答语的后半部分是感叹句，说明惊讶的原因。D项“Is that so?”是用问句的语气表示惊讶；C项与后面的语气不一致，是干扰项。
