What Laterality Differences in Emotion Processing Did Nicholls Et Al

What laterality differences in emotion processing did Nicholls et al. (2004) find?

A) Left side of the face displays emotional expression before the right side.
B) Right side of a face is judged to be sadder and the left side happier.
C) Left side of a face is judged to be sadder and the right side happier.
D) Right side of the face displays emotional expression before the left side.