问题补充：
—Hi, Lucy. Your skirt is very nice.
—
A. Yes, it’s nice.
B. That’s OK.
C. You’re right.
D. Thank you.
答案：
A. Yes, it’s nice.
B. That’s OK.
C. You’re right.
(答案→)D. Thank you.
解析：考查交际也要用。Hi, Lucy. Your skirt is very nice.是说：hi，Lucy.你的裙子真漂亮。对于别人的夸奖，要表示感谢。所以选D。
