Choose the correct option:
To __________ should I give the message?
a) who
b) which
c) whom
d) whose

Hint: A pronoun is a function word that is used in place of a noun or noun phrase. For example- he, she, it, they, we, etc.

Complete answer:
In the given question, we have to find out which of the options given in the question contain the correct pronoun indicative of a person.
Let us thus analyze the options given to us in this question:
Option (a.), 'who', refers to ‘(relative pronoun) The person or people that.’ Therefore, option (a.) is incorrect as we do not need a relative pronoun in this sentence.
Option (b.), ‘which', refers to ‘(relative) The one or ones that.’Therefore, option (b.) is incorrect as we do not need a relative pronoun in this sentence.
Option (c.), ‘whom', refers to ‘(formal) What person or people; which person or people, as the object of a preposition.’Therefore, option (c.) is correct as this pronoun correctly describes that the message is to be given to a person.
Option (d.), ‘whose', refers to ‘Of whom, belonging to whom; used as a relative pronoun.’
Therefore, option (d.) is incorrect as we do not need a relative pronoun in this sentence.

Note:
In this question, it will be helpful for the student to recall what a relative pronoun is. A relative pronoun is a pronoun (as `that' or `which' or `who') that introduces a relative clause referring to some antecedent.