—Would you please tell Miss Li that she _______ as a volunteer for the 2008 Olympic games?

—Of course. I will tell her tomorrow. [ ]

A. choose

B. chose

C. has chosen

D. is chosen

（）板用于列控中心主机和LEU电子单元间的RS-422串行总线通信，实现列控中心应答器报文的实时编码和LEU数据通信功能。