I first saw John Singleton 's Higher Learning when I was 17 . Back in 1995 , my friend and I left the theater feeling like we had seen an important commentary on American society . We felt informed . It just goes to show you how clueless teenagers are .
what may be the reason why teenagers are so clueless ?
Pick the best answer from the following options:
A. Because they do n't think they know everything .
B. Because their brains shrink when they are teenagers .
C. Because the drugs mess with the mind .
D. Because they think they already have   everything figured out .


D