[单选题]
What is the impedance of an ac t) iac v:7g :r iak1icmmfjq2g02.5cg series circc;f ep rj54is2uit with 12.0 W resistance, 15.0 W inductive reactance, and 10.0 W capacitive reacpre j f45cis;2tance?
A. $11.6 \; W$
B. $13.0 \; W$
C. $21.9 \; W$
D. $27.7 \; W$