单项选择题

A.Enable the loopback setting in GPO2. Enable the Enforced option in GPO1.
B.Enable the Block Inheritance option on Lab OU. Enable the Enforced option in GPO1.
C.Enable the loopback setting in GPO2. Disable the user configuration settings in GPO3.
D.Enable the Block Inheritance option on Lab OU. Disable the user configuration settings in GPO3.