Correct option is A
The correct active voice of the given sentence is
(a) The police rescued fifteen children from an unregistered home.
Definition:
·
Active voice: The subject performs the action.
·
Passive voice: The subject receives the action.
Original Sentence (Passive):
"Fifteen children were rescued from an unregistered home by the police."
→ Subject (receiver of action):
Fifteen children
→ Agent (doer):
the police
→ Verb:
were rescued
Conversion Rule (Passive to Active):
Structure:
Passive:
Object + was/were + past participle + by + subject
Active:
Subject + past tense verb + object
Converted Sentence (Active):
The police (subject) + rescued (past verb) + fifteen children (object).
Why other options are incorrect:
· (b) Completely changes the meaning – children rescuing police
· (c) Grammatically incorrect – "were rescued fifteen children" is wrong syntax
· (d) Verb tense changed (present perfect), which alters the time frame
Example of similar conversion:
Passive: The book was written by the author.
Active: The author wrote the book.