The reason __________he succeeded in passing the exam is
___________he worked very hard.
A. for; why B. for; that
C. why; that D. why; how
The reason __________he succeeded in passing the exam is
___________he worked very hard.
A. for; why B. for; that
C. why; that D. why; how
C
考查句型The reason why. . . is/was that. . . 。此处使用连接词why的原因是其后接从句he succeeded in passing the exam。故C项正确。