问题
单项选择题
What could a MS do when its state changes from idle to ready？（）
A.Power on
B.PDP context activation
C.GPRS attach
D.Transferring packets
答案
参考答案：C
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What could a MS do when its state changes from idle to ready？（）
A.Power on
B.PDP context activation
C.GPRS attach
D.Transferring packets
参考答案：C