小学英语特殊疑问句翻译

体育课，你感到不舒服，应说：
A. I am feeling sick ? 
B. What’s the matter with you?
C. I have a cold.

你想知道Gogo正在干什么，你该问：
A. What are you doing?
B. Are you digging a well? 
C. What’s wrong with you?

这个书包多少钱？
                                       ？