Adam can travel from City $$A$$ to City $$B$$ by a bus, a train or a plane. To get from City $$B$$ to Town $$C$$, he can hire a taxi, rent a car, a motorcycle or a bicycle. There is no direct transportation from City $$A$$ to Town $$C$$. How many ways can Adam travel from City $$A$$ to Town $$C$$? 
选项为:A:$$8$$  B:$$7$$  C:$$12$$  D:$$9$$  E:None of the above  请回答其中一个选项.