In her college sculpture class, Miranda has a marble rectangular prism that measures 3 meters high by 3.5 meters long by 2 meters wide. She chisels the marble into a cylinder that measures 2 meters high with a diameter of 3 meters. Approximately how much marble does Miranda chisel away from the original rectangular prism in order to form the cylinder? use pi= 3.14.

A. 14.13 m^3
B. 6.87 m^3
C. 21 m^3
D. 35.55m^3