问题补充：
—I’m sorry，sir. I didn’t mean to hurt you by showing you those pictures?
—It just reminded me of my old friends.
A. Not at all.
B. All the best.
C. No sorry，please.
D. Never mind.
答案：
A. Not at all.
B. All the best.
C. No sorry，please.
(答案→)D. Never mind.
解析：考查交际用语。前一句是表示道歉的，四个选项中D是用来回答道歉的。not at all回答：thank you
