Which sentence contains a nonessential adjective clause

the anwser is went creeping down the river again, across the wide lonely marshes to the sea.

i longed to go with them out into the world to seek my fortune in foreign lands—africa, india, china and peru!

and, dreaming of the lands i had never seen, i'd sit on there, watching till they were out of sight.

the power of

how is the underlined gerund phrase used in the sentence?  

josh's plan, rushing the passer, seemed sound to us.

a.

object of a preposition

b.

direct object

c.

appositive

d.

subject

the answer is d. beowulf searches for grendel, only to discover that he himself is grendel. this is because of their conflict that stsrted from that celebration which was destroyed by grendel. beowulf wanted a revenge but in his way to defeat grendel, he bacame selfish and a monster just like grendel.