27. 如下圖所示電路，開關S接通並達穩態，在t = 0時再將開關S打開，則在開關 S 打開後之瞬間I，值各為多少？ (A) I = 4A，IL = 5A，IC = 4A，VC =25V，VL =32V (B) I = 0A，IL = 4A，IC = 0A，VC =20V，VL =0V (C) I = 4A，IL = 5A，IC = 0A，VC =25V，VL =0V (D) I = 0A，IL = 4A，IC = −4A，VC =20V，VL =−32V