Tom strings together the numbers from 1 to 20 and obtains the 31-digit number
1234567891011121314151617181920.
Then he deletes 24 digits of the number, so that the remaining number is as big as possible.
Which number does he obtain?
(A) 9671819 (B) 9567892 (C) 9781920 (D) 9912345 (E) 9818192