Identify the correct passive form of "Who did this?"

A By whom was this done?

B By whom has this done?

C By whom this has been done?

D By Whom this had been done?

Solution

Correct Answer: Option A

- Past indefinite tense-এ থাকা who যুক্ত active voice-কে passive করার নিয়ম: By whom + was/were + sub + v3 + ?
- অর্থাৎ সঠিক passive form হচ্ছে By whom was this done?

Solution

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