The puppy chased ______ tail in circles around the living room until it grew dizzy and collapsed on the rug.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
it's
- Bcheck_circle
its
- C
its'
- D
their
Explanation
"Its" is the possessive form. "It's" means "it is" — a contraction inappropriate here.