A class of 22 students is having a drawing. Each student's name is placed on a piece of paper and then placed in a hat. One name is randomly drawn from the hat.

If there are 11 boys in the class, what is the probability that the name drawn is a girl's?

 A. 
5/11

 B. 
6/11

 C. 

1/2

 D. 

10/11