he entered the room he picked up the phone and told the news to his parents.A At the momen

问题补充：

he entered the room,he picked up the phone and told the news to his parents.

A,At the moment B,Hardly C,The moment D,No soon

答案：

解析：句意，他一进房间，就拿起电话告诉他的父母这个消息。表示“一……就”，用The moment。