During Its Descent into Titan's Atmosphere, the Huygens Probe Found

During its descent into Titan's atmosphere, the Huygens probe found

A) large oceans of liquid methane covering the entire surface
B) small pools of liquids directly beneath its descent path
C) a completely smooth, frozen surface with no sign that any liquids had ever been present
D) no sign of flowing or pooled liquids currently on the surface although channels carved in the past by fluids were seen