The Maximum Value of the Electric Field in an Electromagnetic $2.0 \mathrm {~V} / \mathrm { m }$

The maximum value of the electric field in an electromagnetic wave is $2.0 \mathrm {~V} / \mathrm { m }$ . What is the maximum value of the magnetic field in that wave? $\left( c = 3.0 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } \right)$

A) $6.7 \mathrm {~T}$
B) $6.7 \mu T$
C) $6.7 \mathrm { nT }$
D) $6.7 \mathrm { pT }$
E) $6.7 \mathrm { mT }$