English » Active/Passive Voice
Select the option that expresses the given sentence in passive voice.
Who is creating this mess?
By whom is this mess being created?
Who has created this mess?
By whom this mess being created?
By whom has this mess been created?
rules to make passive of above sentence
active- wh words+ is/am/are + Ving + object+?
passive- wh words + is /am/are+ being + v3+ object +?
so according to the rule the correct passive form is option A that is by whom is this mess being created.
note: sentence starting with who in active voice are started with by whom in passive.