The introduction of modern facilities to the company led to a great many workers_______.A.to be laid off B.being laid off C.laid off D.laying off我一点都搞不懂．请告诉我选什么及为什么．谢谢!

the introduction of pingpang the introduction of socrates the introduction of in english the introduction of supermanin English 急用! INTRODUCTION TO THE THEORY OF COMPUTATION怎么样 the introduction of taekwondoo,please use English a general introduction of the topic the.introduction.of.famous.tourithe.introduction.of.famous.tourist.sites.in. the introduction of thing和the introduction to thing的区别 作者用英语怎么说A brief introduction of the author INTRODUCTION TO THE MODERN THEORY OF DYNAMICAL SYSTEMS怎么样 INTRODUCTION TO THE DESIGN AND ANALYSIS OF ALGORITHMS怎么样 the introduction of projects for attracting investment in翻译 introduction to 和introduction of的区别? brief introduction to the history of the English language as well as that of Chinese language A brief introduction of Shaoxing introduction of Richard Clayderman英文! introduction to和 introduction of用法有什么区别?