[单选题]
Consider an RLC circuit. The:d4cjg2 islr(k rh 8or(8,eng i+ y;5d5cxqs ui l9jv+rmpedance of the circuit increases if R increases. When is this stateys;di5+ 5x crq ul9j+vment 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