纯电容电路中,电流\($i = 10\sqrt{2}\sin(1000t + 60^{\circ})$\)A,容抗\($X_C = 50Ω$\),则电压\(u\)为( )
A. \($500\sqrt{2}\sin(1000t + 150^{\circ})$\)V B..\($500\sqrt{2}\sin(1000t - 30^{\circ})$\)V C.\($500\sqrt{2}\sin(1000t + 30^{\circ})$\)V D. \($500\sqrt{2}\sin(1000t - 150^{\circ})$\)V