Of the following, which ratio is equivalent to $$13:12$$?(Adapted from $$1996$$ Math League, Grade $$6$$, Question \#$$21$$) 
选项为:A:$$(13\div3):(12\div3)$$  B:$$(13+2):(12+2)$$  C:$$(13\times3):(12\times2)$$  D:$$(13-3):(12-2)$$  请回答其中一个选项.