语法与词汇 The serenity in her look and tone of voice could onlyhave come from an obsession with reading and thinking andan attachment from the hustle and bustle of the mundaneworld.
【正确答案】 D
【答案解析】句意：她的平和的外表和语调只能来自于她对阅 读和思考的痴迷，以及远离世俗世界的喧嚣。serenity平静；平和。placidity平稳；安静；温和。isolation隔离；隔绝。urgency紧急；催促。appeasement缓和，平息。