问题补充：
—Im afraid of the exam.
— It is not difficult at all.
A. Good luck!
B. Thank you.
C. How time flies!
D. Take it easy
答案：
A. Good luck!
B. Thank you.
C. How time flies!
(答案→)D. Take it easy
解析：此题考查各个选择项的含义。Good luck表示祝你好运；thank you表示感谢；how time flies表示时光飞逝；take it easy表示别紧张，慢慢来。由此可知应选择D。
