问题补充：
---Good news! A new educational CD-ROM has just come out!
---Great! I’d like to study and play.
A. at times
B. in time
C. on time
D. at the same time
答案：
A. at times
B. in time
C. on time
(答案→)D. at the same time
解析：短语辨析。at times 有时，偶尔；in time 及时；on time按时；at the same time同时，然而。句意：好消息！一张新的教育CD出版了。——太棒了，我喜欢同时一边学习一边玩。根据语境可知答案为D
