[单选题]
What size capacitor mu6/6i9b dixo0*lzn jv gst be placed in se*z ,fintsq0hb k )/t6sries with a 30-W resistor and a 40-mH coil if the resonant frequency of the circuq/0h t6b) si*tzn,ksfit is to be 1000 Hz?
A. $0.63 \; mF$
B. $0.50 \; mF$
C. $0.22 \; mF$
D. $0.17 \; mF$
