In the question below, the sentence has been given in Active/Passive voice. From the given alternatives, choose the one which best expresses the given sentence in Passive/Active voice.
The invigilator was reading out the instructions.
A.
The instructions were read by the invigilator.
B.
The instructions were being read out by the invigilator.
C.
The instructions had been read out by the invigilator.
D.
The instructions had been read by the invigilator.
Correct answer is B
No explanation has been provided for this answer.
