Refer to the Iterated Function System Based on the Function $f ( n )$

Multiple Choice

Refer to the iterated function system based on the function $f ( n )$ = the sum of the squares of the digits of n text to solve the questions:
-If the $m \text { th }$ term is 20, what could term number $m - 1$ be?

A) 42
B) 24
C) 11411
D) All of the above.