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单选题
The fault isolation task explains how to find the cause of the fault. When the task says " You corrected the fault" you know that the fault is gone.
A
The fault isolation work describes how to locate the fault. After you solve the fault , you may find " The fault is corrected" shown on the screen.
B
The fault isolation task tells the way to find the reason of the fault. When you find the words "You corrected the fault" , it means that the problem is solved.
C
You could find the reason of the fault in the fault isolation steps. If the step indicates " The fault is being corrected", it means that you have finished the work.
答案解析
正确答案：B
