$$2$$, $$12$$, $$20-29$$, $$32$$, $$42$$, $$52$$, $$62$$, $$72$$, $$82$$, and $$92$$ use a $$2$$; that\textquotesingle s $$19$$ numbers. 
Of the first $$100$$ whole numbers,~\uline{~~~~~~~~~~}~use the digit $$2$$ at least once. 

a) $$20$$ 
b) $$19$$ 
c) $$11$$ 
d) $$10$$ 