C53 Eerie Test Question

I replied and walked towards the classroom. As I passed by her, I could smell a faint fragrance.

After returning to the classroom, there were a few more people. I looked at the empty seats and saw that there were three people who didn't come. Yu Mengxuan was already asleep on the table.

I sat down on my seat and took out my phone to check. There was actually no signal, the No