A parallel plate capacitor is made by stacking $n$ equally spaced plates connected alternatively. If the capacitance between any two adjacent plates is C then the resultant capacitance is

Question

$\begin {array} {1 1} (A)\;(n-1)C & \quad (B)\;(n+1)C \\ (C)\;C & \quad (D)\;nC \end {array}$