Explain how a word can be a morphemic noun and a syntactic adverb in the same sentence.

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,

can you give us the options

i am not sure, but i think the correct answer is a.

hope it : -)