From the given alternatives. Choose the one which can be substituted for the given sentence.
The invigilator was reading out the instructions.

Correct option is D

The correct answer is (d) The instructions were being read out by the invigilator.
Explanation:
· The given sentence is in the Past Continuous Tense ( was reading).
· In Passive Voice, "was/were + being + past participle (V3)" is used.
· Correct passive sentence: The instructions were being read out by the invigilator.
Grammatical Rule Used (English):
· Active Voice: Subject + was/were + V1 + ing + Object.
· Passive Voice: Object + was/were + being + V3 + by + Subject.
व्याकरणिक नियम (Hindi):
· Past Continuous Tense में Passive Voice बनाने के लिए "was/were being + V3" का प्रयोग किया जाता है।
· संरचना: वस्तु + was/were + being + क्रिया का तीसरा रूप + by + कर्ता।
Meanings of other given options:
· Had been read out: Incorrect because it indicates Past Perfect Tense. · Were read: Incorrect because Past Simple is used instead of Past Continuous. · Had been read: Incorrect because Past Perfect does not match the original sentence.