[单选题]
A pure inductor is connect/ n 05qc0 d,azauj*ab1uzchw+ed to an AC poweodxneq mr-ac fm7 1s1;z3: rt-r supply. In this circuit, the currents1c7:o 3xr; qmd r fnz-ema-t1
A. leads the voltage by $90^{\circ}$.
B. lags the voltage by $90^{\circ}$.
C. is in phase with the voltage.
D. none of the given answers