单选题 The new chairman urged the members of the committee to ______ their differences and settle down to work.

【正确答案】 D

【答案解析】句意：新任主席敦促委员会的成员们搁置分歧，开始工作。wear out用坏；穿破。break up结束；（使）破碎。calm down(使）平静；镇静。set aside置...于不顾；把...放置一旁。四个选项中。D项“set aside”最符合语境。