Find the equivalent capacitance between A and B. [Assuming each conducting plate is having same dimensions and neglect the thickness of the plate, ${\epsilon }_{0}A/d=7 \mu F,$where A is area of plates and A>>d] 

• A

  $7 \mu F$

• B

  $11 \mu F$

• C

  $12 \mu F$

• D

  $15 \mu F$