While it was initially unclear whom was to blame for the assassinatio

Hi kanigmat011,

Usage of who and whom can confuse best of grammarians...

But best way to answer - when to use 'who' and 'whom' is to put it like this....


Use 'who' when you address the nominative Case
Use 'whom' when you address the objective case


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The nominative case (abbreviated NOM) is one of the grammatical cases of a noun or other part of speech, which generally marks the subject of a verb or the predicate noun or predicate adjective, as opposed to its object or other verb arguments.



The objective case is used for nouns and pronouns which function as objects.

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For example:

______ do you talk to? I talk to Ram----> here Ram is an objective case

So answer will be : Whom do you talk to?

_____ will play the match? Ram will play the match ----> here Ram is a Nominative case

So answer will be: Who will play the match?


I hope it helped.


Now apply the same to the question....

It will be very easy to pick option C.