单项选择题
A.亮绿灯 B.闪绿灯 C.亮黄灯 D.闪黄灯
A.PASS灯亮绿灯、FAULT灭灯、ACTIVE灯亮黄灯、LOAD灯灭灯 B.PASS灯亮绿灯、FAULT亮绿灯、ACTIVE灯亮黄灯、LOAD灯灭灯 C.PASS灯亮绿灯、FAULT灭灯、ACTIVE灯亮黄灯、LOAD灯亮绿灯 D.PASS灯亮绿灯、FAULT亮绿灯、ACTIVE灯黄灯、LOAD灯绿灯
A.PASS灯亮绿灯、FAULT灭灯、ACTIVE灯亮黄灯、POWER灯灭灯 B.PASS灯亮绿灯、FAULT亮绿灯、ACTIVE灯亮黄灯、POWER灯灭灯 C.PASS灯亮绿灯、FAULT灭灯、ACTIVE灯亮黄灯、POWER灯亮绿灯 D.PASS灯亮绿灯、FAULT灭灯、ACTIVE灯灭灯、POWER灯灭灯