What happens to the siblings in the end of “the fall of the house of usher? ”

they are struck by lightning.
they run away together.
they die together.
they both go insane.

keyuanamarie21 is right

Explanation:

I finished my quiz and it was right.

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,