[单选题]
What is the phase angle at 1y f;r+8 jgi. vqfcm9.n500 Hz if a 100-W re tt0c p-th,t +l,kq9m+z xndp(sistor, 20-mH coil, and 1.0-mF capacitor are co+-+,qc, x9l pk pht0dttzt (nmnnected in series?
A. $0.014^{\circ}$
B. $40^{\circ}$
C. $45^{\circ}$
D. $70^{\circ}$