Which of the Following Equations Describes the Relationship Between the Kelvin

Which of the following equations describes the relationship between the Kelvin scale and the Celsius scale?

A) K = °C + 273.15
B) K = (°C × $\frac{9}{5}$ ) + 32
C) K = $\frac{180^{\circ} \mathrm{F}}{100^{\circ} \mathrm{C}}$
D) K = °C × 190