Question

Which sentence uses the correct singular possessive form of dog?

A. A dogs' sense of smell is usually very keen.

B. A dogs sense of smell is usually very keen.

C. A dog's sense of smell is usually very keen.

D. A dog' sense of smell is usually very keen.

It’s a test I’m doing please help
Thank you

Answer 1

B. A dogs sense of smell is usually very keen

Answer 2

B. A dogs sense of smell is usually very keen