单选题 New research suggests gossip could actually lower________and help people overcome the frustration of seeing someone doing something wrong and getting away with it.
【正确答案】 D
【答案解析】选项A为“心态，思想状态”；选项B为“情绪；伤感”；选项C为“心情；气氛”；选项D为“压力，心理负担”。根据句意，故选D。