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In the following questions, a sentence has been given in Active/Passive Voice. Out of the four alternative suggested, select the one which best expresses the same sentence in Passive/Active Voice.

What is the correct answer?


Who is creating this mess?

A. Who has been created this mess?

B. By whom has this mess been created?

C. By whom this mess is being created?

D. By whom is this mess being created?

Please do not use chat terms. Example: avoid using "grt" instead of "great".