In the following column puzzle, different letters represent different one-digit numbers. Find the three-digit number represented by $$ABC$$.  $$\begin{matrix}\& \& 8 \& 8\& \boxed C \textbackslash\textbackslash{} \&\&5\& \boxed B \&4 \textbackslash\textbackslash{} + \&\&\boxed A\&1 \&7 \textbackslash\textbackslash{} \hline \&2~\&0 \&2 \&1\textbackslash\textbackslash{} \end{matrix}$$ 
选项为:A:$$625$$  B:$$620$$  C:$$602$$  D:$$260$$  E:$$206$$  请回答其中一个选项.