Which sentence uses an intensive pronoun?

A) The talk show host had a smile that some people loved while others found it creepy.
B) You yourself can easily transform your body with a proper diet and plenty of exercise.
C) My parents told me that they wanted to meet my girlfriend before we went out for a date.
D) To help pay for the Lawrence family's medical costs, our church sold purple bows for supporters to put on their mailboxes.