— ______________ .
—Oh, that.s too bad.

选择一项：
A. I regret to say that we cannot make it on time.
B. I passed exam.
C. I can make it on time.

A. I regret to say that we cannot make it on time. 解析：本题考核“表示遗憾”情境下的交际用语。第二说话人回答 ‘噢，那太糟了！第一说话人的信息应该是一件遗憾的事情，应为 “很遗憾我不能按时到”， 所以选选项“I regret to say that we cannot make it on time.”。