The terrible train crash in Wenzhou has shaken the county , not only causing the loss of lives ,

but also _____ people _____ confidence in the rail system. [ ]

A.  made; losing            

B.  make; lost    

C.  making. lose            

D.  making; to lose

可以用分液漏斗分离的一组液体混合物是（　　）

A．溴和四氯化碳

B．苯和溴苯

C．水和硝基苯

D．苯和汽油