The news of his promotion was quickly spread around the office.

spread 是动词 spread 的过去分词形式，表示"传播、散布"。在句中表示被动含义，指"（消息）被传播开"。 spread 的基本含义是"展开、散布"，可以指信息、疾病、物品等的扩散和传播。