[单选题]
If a 1000-W resistor is connected in serieszr6vrdjg nr):+y 8p,w with a 20-mivp(mkc 5 puit7m7 /n)wf k+v(H inductor, what is the phase angle at 1n muf+k) i7 pw(c7t5im /vvk(p000 Hz?
A. $2.9^{\circ}$
B. $7.2^{\circ}$
C. $45^{\circ}$
D. $90^{\circ}$