C56 Confusion of thoughts

I quickly got up from my chair and ran to the door, but when I pushed it open, there was no sign of Song Ming, only a teacher slowly making his way downstairs. I called to him, and he turned to ask me what was the matter.

"Teacher, please disturb us for a moment …" Excuse me, was someone listening at the door? " He nodded his head and told me that a student had been listening in on the door