[单选题]
A dielectric material such as paper is plac.rl2 -gx4f9 tf +ao5dbhd 3zimed between the plate vjd8e r/by5q+s of a capacitor holding a fixed charge. qvb+eryd8j /5 What happens to the electric field between the plates?
A. no change
B. becomes stronger
C. becomes weaker
D. reduces to zero
