单选题 The middle-aged woman has been ______ with a serious illness for half a year; she is dying now.
A. laid down B. laid off C. laid up D. laid in

【正确答案】 C

【答案解析】[解析] C项“laid up在家休养因病或伤而闭门不出”符合题意。其他三项“A项laid down放弃并投降，规定；B项laid off暂时解雇；D项laid in储备，储存以备将来之用”都不正确。本题的意思是这个中年女人因病卧床有半年了。因此C项为正确答案。