Which sentence contains a misplaced modifier?
a.
what a delightful after-dinner show you have given us!
b.
we smiled our approval and nodded to each other.
c.
to our surprise, she began a little dance in front of us.
d.
with a hop and a skip, the door opened, and a little girl came in.

i used to know but i learned it a long time ago sorry

explanation:

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,