【题目】In some countries, lots of children in low-income families have parents who are ________ fulltime and year-round.
A.hired
B.employed
C.rented
D.fired

【答案】B
【解析】employ多指公司长期雇用人员；hire常指短期雇用；rent意为“租借，出租”；fire意为“解雇”。句意：在一些国家，许多低收入家庭的孩子的父母亲都是长年全职工作。故选B。