English
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Medium
Question
Who designed a car?
A
By whom a car designed?
B
By whom a car had designed?
C
By whom a car was designed?
✓ Official correct answer
D
By whom a car was being designed?
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
By whom a car designed?
No member explanations yet for this option.
B
By whom a car had designed?
No member explanations yet for this option.
C
By whom a car was designed?
No member explanations yet for this option.
D
By whom a car was being designed?
No member explanations yet for this option.
Explanation
Active "who designed a car" becomes passive "by whom was a car designed?"