By whom is the child being fed?
A. Who is feeding the child?
B. Who has fed the child?
C. Who was feeding the child?
D. Who has been feeding the child?
Answer: Option A
Solution (By Examveda Team)
Who is feeding the child?In such case By whom will change into who.
Rule :
Who + (Is/am/are) + V-ing + other agents + ?

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