为何选D,不选CAnimals’ living environments have been getting worse ___ the increase in industrial pollution.A.thanks to B.because C.as D.since

为何选D,不选CAnimals’ living environments have been getting worse ___ the increase in industrial pollution.A.thanks to B.because C.as D.since 为何选D不选A? 英语问题33为何选D不选B sat语法题求解,为何选D不选A 为何选D 为何这道题不能选D 物理题一道,为何选D? A 和 D之间为何选D? Sat语法题求解,为何选A不选C或D 为何选B不选A 为何选A不选B 为何选c不选a呢 那为何选D.能解释一下吗? 第9题 为何选D? 英语大神来,37为何选 d 为什么选d呢?为何abc不对? 如图所示为制作的DNA双螺旋模型,其中连接正确的是( )为何选B不选D？ 选哪个?为什么呢?They told me that by the end of the month they（ ） in this flat for12 years.They told me that by the end of the month they（ ） in this flat for12 years.A.has lived B.will have lived C.has been living D.would have been liv