Which of the following options is the most suitable conversion of the following sentence into Passive Voice?
Had they submitted the final report by the time the director arrived?
Show answer & explanation
Correct answer: B
Explanation
The original sentence, "Had they submitted the final report by the time the director arrived?", is in the interrogative form of the past perfect tense (Had + subject + past participle). To convert it to the passive voice, the structure must maintain the past perfect tense and the interrogative form, which requires the auxiliary "had" at the beginning, followed by the object ("the final report"), then "been" and the past participle of the main verb ("submitted"), and finally the agent ("by them") and the rest of the sentence. Option (B) correctly follows this structure.