Averi is hungry for a snack. She is small, so she takes 6 cookies out of the cookie jar without being able to see what she is selecting. Out of the 6 cookies, 4 are chocolate chip and 2 are peanut butter. The percent of Averi's cookies that are peanut butter is:____________.
A. 66.7.
B. 50.0.C. 33.3.D. 25.0.