Be a grammar whiz
We often get confused as to when to use “who” and when to use “whom”, “which”, and “whose”. In general, “who” is a subject pronoun like he, she or they. “Whom” is an object pronoun like him, her or them. “Whose” is a possessive pronoun like his, hers or theirs, and “which” is to be used for animals and inanimate objects.
Now see if you can select the correct option.