实施 GCM 客户端必须在清单文件中添加以下哪些权限和配置？( )
A) com.google.android.c2dm.permission.RECEIVE
B) android.permission.INTERNET
C) android.permission.GET_ACCOUNTS
D) android.permission.WAKE_LOCK
E) applicationPackage + ".permission.C2D_MESSAGE"
F) com.google.android.c2dm.intent.RECEIVE的接收器，类别设置为applicationPackage。接收器需要com.google.android.c2dm.SEND权限
A, B, C and D
C, D, E and F
A, B, E and F
所有这些
