______ that Martin had passed the important exam, his friends called to congratulate him.
【正确答案】 D
【答案解析】解析:本题考查分词作状语的用法。当分词作状语时,其逻辑主语和句子主语一致时,分词主语省略,另外,本题中“听说”应该是朋友们的主动动作,不能用被动语态,所以选D。