There are only lilies and roses in Bud\textquotesingle s garden. One third of the flowers are roses. There are 12 roses in total. How many flowers are there in Buds\textquotesingle s garden? 
选项为:A:$$12$$  B:$$16$$  C:$$20$$  D:$$24$$  E:$$36$$  请回答其中一个选项.