Which of the Following Statements Describes How Clouds Appear on an Infrared

Which of the following statements describes how clouds appear on an infrared satellite image?

A) Low, warm clouds appear grey, and high, cold clouds appear grey.
B) Low, warm clouds appear white, and high, cold clouds appear white.
C) Low, warm clouds appear grey, and high, cold clouds appear white.
D) Low, warm clouds appear white, and high, cold clouds appear grey.