参考答案

正确答案：B
解析：奥尔加以海伦的名义写给顾客的邮件草稿中第二段提到“We are continuing our renovations and remodeling of the hotel and will be working on Kelsey's Restaurant starting on Sunday．”可以推断饭店整修是造成餐厅暂时停止营业的原因。