将下列对话排序。
A. Do you have any black shirts?
B. Size 48. How much is it?
C. That's too expensive for me.
D. Yes, I want a brown shirt.
E. Sorry, we don't have any brown shirts.
F. Can I help you?
G. They're 85 yuan.
H. Yes, we do. What size do you want?
F D ____ ____ ____ ____ ____ ____
的实部为
，虚部为2，则
=（ ）