问题补充：
—I have got a bad cold. I feel terrible.
—
A. All right.
B. Is that so?
C. Sorry to hear that.
D. I’m afraid so.
答案：
A. All right.
B. Is that so?
(答案→)C. Sorry to hear that.
D. I’m afraid so.
解析：句意：我得了重感冒。我觉得糟透了！All right.好吧； Is that so?是这样吗？ Sorry to hear that.听到这我感到很不安； I’m afraid so恐怕是这样。根据语境可知该选C。
