单选题 They did not sell a single car for a month and had to ______ some workers.

【正确答案】 C

【答案解析】[解析] 考查词组辨析。本句意为“他们一个月没卖出一辆车，不得不解雇一些工人”。lay off“裁员，暂时解雇”符合句意。A项的lay down“放下；建造；规定”；B项的lay behind无此搭配；D项的lay out“展开，陈设；设计”。