Tom wrote various words in code in such a way that different digits represent different letters and the same digit represents the same letter. For example, the word $BALL$ was coded as $$3488$$. One of the words below was coded as $$6155491$$. Which one? 
选项为:A:$$SURGEON$$  B:$$HARBORS$$  C:$SWEATER$  D:$MESSAGE$  请回答其中一个选项.