An RLC Series Circuit Has a 400 $\Omega$ Resistance,a 2 $\times$ 10² $\Omega$

Multiple Choice

An RLC series circuit has a 400 $\Omega$ resistance,a 2.5 mH inductor,and a capacitor.If the circuit is in resonance at 30 kHz,what is the capacitive reactance?

A) 4.0 $\times$ 10² $\Omega$
B) 6.2 $\times$ 10² $\Omega$
C) 4.7 $\times$ 10² $\Omega$
D) 71 $\Omega$
E) 0.00