Hi, Tom. ?
well .Long time no see! I miss you very much.
AWhat are you doing
BWhat is going on
C. How do you like it
DHow is it going
网友回答
A. What are you doing
B. What is going on
C. How do you like it
(答案→)D. How is it going
解析：考察交际用语。根据回答：很好，我们很久不见了，我很想念你可知第一句是询问对方一切怎么样的。故D正确。