They have been performing a drama at the stage.
No passive voice transformation exists for the Perfect Continuous Tense in Active Voice. Hence none of the options follows.
940 MCQ for effective preparation of the test of Voices of English Grammar section.
Read the MCQ statement: They have been performing a drama at the stage. , keenly and apply the method you have learn through the video lessons for Voices to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 69-4348.