小红做实验时,把一盏灯两端的电压从4V增加到6V,通过它的电流将从0.5A增加到_______A,这盏灯的阻值为 。
0.75A, 8Ω
—I don’t know _______ now.
—She is much better today.
A.how is she
B.where is she
C.how she is
D.where she is