C495 What Do You Think

Yuan Si looked at Qing Mei and said with an expressionless face, "The servant who served the tea set, the only person I met before I came in was you. "

Qing Mei no longer tried to defend herself. She asked Yuan Si, "Is it because I met you that you determined it was me?"

Yuan Si said, "When you met the servant, you spilled the poison powder you hid in your hand