Task: Question Answering
Input (English): Problem: in a class of 20 students , 2 students did not borrow any books from the library , 8 students each borrowed 1 book , 3 students each borrowed 2 books , and the rest borrowed at least 3 books . if the average number of books per student was 2 , what is the maximum number of books any single student could have borrowed ? 
Options: a ) 8 , b ) 9 , c ) 10 , d ) 11 , e ) 12
Output (English): a