Q86
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?
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
By whom is this mess being created?Given sentence is in present continuous tense and it is in active voice.
Rule :
Subject + (is /am /are) + being + V3 + Other agents.