单选题The contrast ratio for an LCD monitor is BEST defined as the ratio between:（）Adisplay resolution and brightness.Bpower consumption and output intensity.Cpower savings of a comparablecrt monitor and the lcd.Dthe darkest and lightest displayed output.
单选题
The contrast ratio for an LCD monitor is BEST defined as the ratio between:（）
A
display resolution and brightness.
B
power consumption and output intensity.
C
power savings of a comparable crt monitor and the lcd.
D
the darkest and lightest displayed output.
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