Question 95
Patrícia wrote, in increasing order, the positive integers formed only from odd digits: $1,3,5,7,9,11,13,15,17,19,31,33,\ldots$. What was the 157th number she wrote?
A) 997
B) 999
C) 1111
D) 1113
E) 1115
A) 997
B) 999
C) 1111
D) 1113
E) 1115