Maura Is 10 Years Old and Is Starting to Exchange

Maura is 10 years old and is starting to exchange e-mails with her older sister, Suzanne, who is away at college.
-Maura responds with an explanation of the emoticon she used and a "wink." Her winking emoticon looked like ____.

A) ;-)
B) :-?
C) B-)
D) :-D