C355 I need a reason

After being quiet for a few minutes, the inner-circle rang. Qian Ying reported to the head of the Material Control Department, Yuan Jian, asking for an audience. I said, "Invite him in.

The intercom hung up, then there was a knock on the door, and it opened.

Yuan Jian was the one with the loud voice that walked in, and as they walked, he said: "Sorry, Boss Yang, I didn't know it was you