parallel plate capacitor, physics homework help

parallel plate capacitor, physics homework help

Please answer the following question, thank you!

A parallel plate capacitor is connected to a battery that maintains a constant potential difference V between the plates.  A dielectric is present between the plates of the capacitor.   If the dielectric is removed do the following quantities increase, decrease or remain the same?
Options:
A- electric field between the platesB-the capacitanceC- the charge on the platesD- the energy stored in the capacitor