At a Distance of 4

At a distance of 4.3 cm from the center of a very long uniformly charged wire,the electric field has magnitude 2000 N/C and is directed toward the wire.What is the charge on a 1.0 cm length of wire near the center?

A) -0.048 nC
B) -0.052 nC
C) -0.044 nC
D) -0.056 nC