[单选题]
Consider an RLC circuit. The ito ri+a+ -nq(pmpedance of the solvw (dn4zr21tvc)iht- -a8ts. o3 dcircuit increases if R increases. When is this statev2atd4tz st in1- l-8os3vdoc(w). h rment true?
A. always true
B. true only if $X_L$ is less than or equal to $X_C$
C. true only if $X_L$ is greater than or equal to $X_C$
D. never true