问题补充：
-- Hi，Mike！ I haven’t seen you for a long time. ？
--- Everything is OK. Thanks.
A. How are you
B. What’s wrong
C. Where have you been
D. How’s it going
答案：
A. How are you
B. What’s wrong
C. Where have you been
(答案→)D. How’s it going
解析：根据上文的内容和下文的答语Everything is OK，可知答案为D，表示进展怎样？故选答案为D
