A 15 Ω resistor, an inductor with 8 Ω inductive reactance, and a capacitor with 12 Ω capacitive reactance are in parallel across an ac voltage source. The circuit impedance is

• A. 12.7 Ω
• B. 127 Ω
• C. 4,436 Ω
• D. 6,174 Ω