Question 6
Moderate
The technicians were repairing the high-voltage generators when the power tripped.
A
The high-voltage generators were being repaired by the technicians when the power tripped.
B
The high-voltage generators had been repaired by the technicians when the power tripped.
C
The high-voltage generators were repaired by the technicians when the power tripped.
D
The high-voltage generators are being repaired by the technicians when the power tripped.
Correct Answer:
A
Explanation:
The high-voltage generators were being repaired by the technicians when the power tripped.