Ben lives on the floor just below Chris.  Denise lives on the floor just above Alvin.  Denise lives on a higher floor than Chris.  Who lives on the lowest floor? 
选项为:A:$$\textasciitilde$$Alvin  B:$$\textasciitilde$$Ben  C:$$\textasciitilde$$Chris  D:$$\textasciitilde$$Denise  请回答其中一个选项.