Six metallic plates of each with a surface area of one side A, are placed at a distance d from each other. The alternate plates are connected to points P and Q as shown in fig. The capacitance of the system is
 

• A

  $\frac{{\mathrm{\epsilon }}_0\mathrm{A}}{\mathrm{d}}$

• B

  $\frac{5{\mathrm{\epsilon }}_0\mathrm{A}}{\mathrm{d}}$

• C

  $\frac{6{\mathrm{\epsilon }}_0\mathrm{A}}{\mathrm{d}}$

• D

  $\frac{{\mathrm{\epsilon }}_0\mathrm{A}}{5\mathrm{d}}$