The following question refers to "The Gift of the Magi":

The tornado heavily damaged the Miller's pool; its liner was torn into two pieces! The word its in this sentence is an example of

A ... a proper pronoun.

B ... a pronoun contraction.

C ... a particular pronoun.

D ... a possessive pronoun.

The correct answer is option D. A possessive pronoun.

The word "its" consists of the pronoun it, in the case of the sentence, it refers to Miller's pool as an object, and the liner as the property belonging to the pool - the existence of the property demands the addition of the letter "s" to the pronoun "it".

The rest of the options cannot be correct since:

A. its is not a unique element in the sentence. Therefore, it is not capitalized, nor it represents a proper noun.

B. In order for its to be a contraction, an apostrophe must be added - as in "it's". However, in the context of the sentence, its represents the property of an object, rather than a definition of Miller's pool, which would read as "it is liner was torn into two pieces", lacking coherence.

C. The particular or simple form of its is the pronoun "it", which can't be used to represent property in the sentence.