（）参与本地网范围内CN2设备的工程随工和工程验收。
A.各省NOC
B.地市NOC
C.集团上海NOC
D.集团北京NOC
参考答案：B
--- Mum, where are my socks?
--- Under your bed. You should your things.
A. put on B. put down C. put away
