<span>c. object of a preposition
Possessive pronouns are like his/her, ours, whose and etc.
Relative pronouns are pronouns that conjuncts clauses, sentence fragments, or a phrase to a specific noun or pronoun as the subject.
Examples are:
Who
Whom
Which
Whoever
Whichever
Whomever
That
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The last sentence contains an error. It should be “will be playing” or “have been playing” instead of “will been playing”.
The answer is D (or the last given option)
Reality would be my guess. Looking in a mirror gives you a look a yourself and what you've become, making it the reality.