If T is the reverberation time of an auditorium of volume V then [KCET 2003]

• A.            \[T\propto \frac{1}{V}\]  
• B.            \[T\propto \frac{1}{{{V}^{2}}}\]
• C.            \[T\propto {{V}^{2}}\]     
• D.            \[T\propto V\]