C224 She Was Cheated?

The answer to this question is to scratch your hair?

Lan Enhsing was in the midst of listening to the lecture when her thoughts were interrupted by Shang Xiaoxia's slip of paper. She almost asked Shang Xiaoxia to bring it astray.

She simply ignored Shang Xiaoxia and pointed at the blackboard, indicating that she should listen to the class seriously. Moreover