单项选择题

A. Restart Exams’s computer with the last known good configuration. 
B. Restart Exams’s computer in safe mode. Log on as a local administrator and set the Driver Signing Options to Ignore-Install the software  anyway and don’t task for my approval. 
C. Restart Exams’s computer in safe mode. Create a local computer policy to enable Windows File Protection. 
D. Restart Exams’s computer in Recovery console.Enable the new print driver with the Service_system_start parameter.