An Electron Is Placed at the Origin; It Produces an Electric

An electron is placed at the origin; it produces an electric field everywhere in space. The electric field at $x = 1$ cm is

A) $+ 14.4 \hat { x }$ $\mu$ N/C.
B) $- 24.1 \hat { y }$ $\mu$ N/C.
C) $+ 24.1 \hat { y }$ $\mu$ N/C.
D) $- 14.4 \hat { x }$ $\mu$ N/C.