C47 The Child of Someone else

Based on the observations he made after escorting Liu Xia home last night, Xiao Ran walked up to the entrance of the fourth floor and pressed the doorbell of the 401 room. A voice came out of the walkie-talkie: "Hello, who is this?"

It was a middle-aged woman's voice. Could it be Liu Xia's mother? Xiao Ran chuckled and said, "Auntie, hello. I'm Liu Xia's classmate