After the game, Owen is thirsty again. This time he gets a mixture of 3 liters of juice, which contain $25 \textbackslash\%$ of apple juice, $30 \textbackslash\%$ of mango juice, and $45 \textbackslash\%$ of water. $0.5$ liters of mango is added to the original mixture. What is the percent of mango in the new mixture? (Adapted from 2007 AMC 8, Question \#17 ) 
选项为:A:$$2.5$$  B:$$3.5$$  C:$$4$$  D:$$4.5$$  E:$$5$$  请回答其中一个选项.