Directions : The sentences have been given in Active/Passive voice. From the given alternatives, choose the one which best expresses the given sentence in Passive/Active voice.
67. Who is creating this mess ?
(a) Who has 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 ?
Answer : (d)
Explanation : No answer description available for this question. Let us discuss.