Whose Statement Indicates That They Are Engaging in Dialectic Thinking

Whose statement indicates that they are engaging in dialectic thinking?

A) Earl, who says, "I love the fact that ice is cold."
B) Eileen, who says, "I just do not understand how light can be both a wave and an individual element, but I will."
C) Lowell, who says, "Drop a bowling ball and it will fall; can the world get any more consistent?"
D) Rellen, who says, "The moon looks massive tonight."