单选题   The company was losing money, so they had to lay off some of its employees for three months.
 
【正确答案】 B
【答案解析】 lay off使下岗；owe欠；dismiss开除；recruit招募；summon召唤。句意为“公司在赔钱，所以他们必须三个月内开除一部分员工。”所以dismiss最符合lay off所表达的意思。