介词和连词

1._____uslongbelievingthattalkingplantsarefantasy,newresearchhasrevealedsomethingamazing:itappearsthatplantscancommunicateafterall.

A.Although?????????????B.For?????????????C.As?????????????D.With

____makingdecisions,?thehumanbraincannotbecomparedwith?t