Answer:
C. Decide if it falls in the subject or predicate.
Step-by-step explanation:
An apostrophe with the pronoun it and forming the contraction "it's" while simply adding an "s" to it forms the possessive pronoun "its". The possessive pronoun its is used for displaying ownership while it's refer to an inanimate object or an animal. The best way to recognize the distinction between them, that in which category they fall in, the subject or the predicate. This would help determine the categorization more easily. However, both of them are based on pronoun "it" but have different purposes to solve as 'Its' shows the possession like "My dog never stays in its kennel" while in "It's" the apostrophe signifies an omission and used for the phrase "It is" or "it has" like "It's been long time since we have met".