The orator 'had been left' the auditorium before the audience stood up.

A had been left
B was left
C had left
D no improvement

Correct Answer: had left

The orator অর্থ্যাৎ subject নিজেই auditorium ত্যাগ করে ছিলেন বলে verb - এর active form হবে। সুতরাং সঠিক উত্তর (c) had left হবে।
Bissoy MCQ

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