Hi Tom.? well .Long time no see! I miss you very much.AWhat are you doingBWhat is g

问题补充：

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

答案：

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。